{"action":"closed","issue":{"url":"https://api.github.com/repos/opencog/opencog/issues/1654","labels_url":"https://api.github.com/repos/opencog/opencog/issues/1654/labels{/name}","comments_url":"https://api.github.com/repos/opencog/opencog/issues/1654/comments","events_url":"https://api.github.com/repos/opencog/opencog/issues/1654/events","html_url":"https://github.com/opencog/opencog/issues/1654","id":90114903,"number":1654,"title":"Opencog Build error (PLN Module)","user":{"login":"EskenderTamrat","id":5646581,"avatar_url":"https://avatars.githubusercontent.com/u/5646581?v=3","gravatar_id":"","url":"https://api.github.com/users/EskenderTamrat","html_url":"https://github.com/EskenderTamrat","followers_url":"https://api.github.com/users/EskenderTamrat/followers","following_url":"https://api.github.com/users/EskenderTamrat/following{/other_user}","gists_url":"https://api.github.com/users/EskenderTamrat/gists{/gist_id}","starred_url":"https://api.github.com/users/EskenderTamrat/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/EskenderTamrat/subscriptions","organizations_url":"https://api.github.com/users/EskenderTamrat/orgs","repos_url":"https://api.github.com/users/EskenderTamrat/repos","events_url":"https://api.github.com/users/EskenderTamrat/events{/privacy}","received_events_url":"https://api.github.com/users/EskenderTamrat/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-06-22T14:28:14Z","updated_at":"2015-06-22T18:35:49Z","closed_at":"2015-06-22T18:35:49Z","body":"I encountered error on Opencog build today. I successfully installed cogutils, atomspace and the prerequisite packages listed for Opencog. \r\n\r\nHere is the full\r\n\r\n================================\r\neskender@iCogLabs:~/Desktop/OpenCog/opencog/build$ make\r\nScanning dependencies of target json_spirit\r\n[  0%] Building CXX object lib/json_spirit/CMakeFiles/json_spirit.dir/json_spirit_reader.cpp.o\r\n[  0%] Building CXX object lib/json_spirit/CMakeFiles/json_spirit.dir/json_spirit_value.cpp.o\r\n[  1%] Building CXX object lib/json_spirit/CMakeFiles/json_spirit.dir/json_spirit_writer.cpp.o\r\nLinking CXX shared library libjson_spirit.so\r\n[  1%] Built target json_spirit\r\nScanning dependencies of target blopex\r\n[  2%] Building C object opencog/learning/clustering/blopex/CMakeFiles/blopex.dir/fortran_matrix.c.o\r\n[  2%] Building C object opencog/learning/clustering/blopex/CMakeFiles/blopex.dir/lobpcg.c.o\r\n[  3%] Building C object opencog/learning/clustering/blopex/CMakeFiles/blopex.dir/multivector.c.o\r\n[  3%] Building C object opencog/learning/clustering/blopex/CMakeFiles/blopex.dir/temp_multivector.c.o\r\nLinking C shared library libblopex.so\r\n[  3%] Built target blopex\r\nScanning dependencies of target serial_driver\r\n[  5%] Building C object opencog/learning/clustering/blopex-demo/CMakeFiles/serial_driver.dir/multi_vector.c.o\r\n[  5%] Building C object opencog/learning/clustering/blopex-demo/CMakeFiles/serial_driver.dir/pcg_multi.c.o\r\n[  5%] Building C object opencog/learning/clustering/blopex-demo/CMakeFiles/serial_driver.dir/serial_driver.c.o\r\nLinking C executable serial_driver\r\n[  5%] Built target serial_driver\r\nScanning dependencies of target statistics\r\n[  5%] Building CXX object opencog/learning/statistics/CMakeFiles/statistics.dir/DataProvider.cc.o\r\n[  5%] Building CXX object opencog/learning/statistics/CMakeFiles/statistics.dir/Probability.cc.o\r\n[  6%] Building CXX object opencog/learning/statistics/CMakeFiles/statistics.dir/Entropy.cc.o\r\n[  6%] Building CXX object opencog/learning/statistics/CMakeFiles/statistics.dir/InteractionInformation.cc.o\r\nLinking CXX shared library libstatistics.so\r\n[  6%] Built target statistics\r\nScanning dependencies of target dimensionalembedding\r\n[  7%] Building CXX object opencog/learning/dimensionalembedding/CMakeFiles/dimensionalembedding.dir/DimEmbedModule.cc.o\r\nLinking CXX shared library libdimensionalembedding.so\r\n[  7%] Built target dimensionalembedding\r\nScanning dependencies of target embodiment_atom_types\r\n[  7%] Generating opencog types\r\n-- Atom type name: PetNode\r\n-- Atom type name: AvatarNode\r\n-- Atom type name: AccessoryNode\r\n-- Atom type name: HumanoidNode\r\n-- Atom type name: UnknownObjectNode\r\n-- Atom type name: IsAcceptableSecondArgLink\r\n-- Atom type name: OntologicalInheritanceLink\r\n-- Custom atom type name specified: \"WRLink\"\r\n-- Atom type name: WRLink\r\n-- Atom type name: FrequencyLink\r\n-- Atom type name: FeelingNode\r\n-- Atom type name: PhraseNode\r\n-- Atom type name: SpeechActTriggerNode\r\n-- Atom type name: SpeechActSchemaNode\r\n-- Atom type name: DialogNode\r\n-- Atom type name: UtteranceNode\r\n-- Atom type name: DefinedFrameNode\r\n-- Atom type name: DefinedFrameElementNode\r\n-- Atom type name: FrameElementLink\r\n-- Atom type name: SimultaneousEquivalenceLink\r\n[  7%] Built target embodiment_atom_types\r\nScanning dependencies of target spacetime_atom_types\r\n[  9%] Generating opencog types\r\n-- Atom type name: SpaceMapNode\r\n-- Atom type name: ObjectNode\r\n-- Atom type name: BlockEntityNode\r\n-- Atom type name: StructureNode\r\n-- Atom type name: ImaginaryStructureNode\r\n-- Atom type name: TimeNode\r\n-- Atom type name: AtTimeLink\r\n-- Atom type name: LatestLink\r\n-- Atom type name: BeforeLink\r\n-- Atom type name: OverlapsLink\r\n-- Atom type name: DuringLink\r\n-- Atom type name: MeetsLink\r\n-- Atom type name: StartsLink\r\n-- Atom type name: FinishesLink\r\n-- Atom type name: EqualsLink\r\n-- Atom type name: AfterLink\r\n-- Atom type name: OverlappedByLink\r\n-- Atom type name: ContainsLink\r\n-- Atom type name: MetByLink\r\n-- Atom type name: StartedByLink\r\n-- Atom type name: FinishedByLink\r\n-- Atom type name: PredictiveImplicationLink\r\n-- Atom type name: TailPredictiveImplicationLink\r\n-- Atom type name: PredictiveAttractionLink\r\n-- Atom type name: SimultaneousAndLink\r\n-- Custom atom type name specified: \"EventualSequentialAND\"\r\n-- Atom type name: EventualSequentialAND\r\n-- Custom atom type name specified: \"EventualSequentialImplication\"\r\n-- Atom type name: EventualSequentialImplication\r\n[  9%] Built target spacetime_atom_types\r\nScanning dependencies of target PatternMiner\r\n[  9%] Building CXX object opencog/learning/PatternMiner/CMakeFiles/PatternMiner.dir/Pattern.cc.o\r\n[ 10%] Building CXX object opencog/learning/PatternMiner/CMakeFiles/PatternMiner.dir/HTree.cc.o\r\n[ 10%] Building CXX object opencog/learning/PatternMiner/CMakeFiles/PatternMiner.dir/PatternMiner.cc.o\r\n[ 10%] Building CXX object opencog/learning/PatternMiner/CMakeFiles/PatternMiner.dir/PatternMinerBF.cc.o\r\n[ 11%] Building CXX object opencog/learning/PatternMiner/CMakeFiles/PatternMiner.dir/PatternMinerDF.cc.o\r\nLinking CXX shared library libPatternMiner.so\r\n[ 11%] Built target PatternMiner\r\nScanning dependencies of target cogita\r\n[ 11%] Building CXX object opencog/nlp/chatbot/CMakeFiles/cogita.dir/CogitaConfig.cc.o\r\n[ 12%] Building CXX object opencog/nlp/chatbot/CMakeFiles/cogita.dir/IRC.cc.o\r\n[ 12%] Building CXX object opencog/nlp/chatbot/CMakeFiles/cogita.dir/go-irc.cc.o\r\n[ 14%] Building CXX object opencog/nlp/chatbot/CMakeFiles/cogita.dir/whirr-sockets.cc.o\r\nLinking CXX executable cogita\r\n[ 14%] Built target cogita\r\nScanning dependencies of target nlp_atom_types\r\n[ 14%] Generating opencog types\r\n-- Atom type name: WordNode\r\n-- Atom type name: AnyNode\r\n-- Atom type name: ReferenceLink\r\n-- Atom type name: DocumentNode\r\n-- Atom type name: SentenceNode\r\n-- Atom type name: SentenceLink\r\n-- Atom type name: ParseNode\r\n-- Atom type name: ParseLink\r\n-- Atom type name: WordInstanceNode\r\n-- Atom type name: WordInstanceLink\r\n-- Atom type name: SequenceLink\r\n-- Atom type name: WordSequenceLink\r\n-- Atom type name: SentenceSequenceLink\r\n-- Atom type name: DocumentSequenceLink\r\n-- Atom type name: FeatureNode\r\n-- Atom type name: FeatureLink\r\n-- Atom type name: LinkGrammarRelationshipNode\r\n-- Atom type name: LinkGrammarDisjunctNode\r\n-- Atom type name: DefinedLinguisticConceptNode\r\n-- Atom type name: DefinedLinguisticRelationshipNode\r\n-- Atom type name: PrepositionalRelationshipNode\r\n-- Atom type name: WordSenseNode\r\n-- Atom type name: WordSenseLink\r\n-- Atom type name: PartOfSpeechNode\r\n-- Atom type name: PartOfSpeechLink\r\n-- Atom type name: LemmaNode\r\n-- Atom type name: LemmaLink\r\n-- Atom type name: HolonymLink\r\n-- Atom type name: CosenseLink\r\n-- Atom type name: SemeNode\r\n-- Atom type name: SemanticRelationNode\r\n-- Atom type name: InterpretationNode\r\n-- Atom type name: InterpretationLink\r\n-- Atom type name: SpecificEntityNode\r\n-- Atom type name: LgConnectorNode\r\n-- Atom type name: LgConnMultiNode\r\n-- Atom type name: LgConnDirNode\r\n-- Atom type name: LgConnector\r\n-- Custom atom type name specified: \"MSTConnector\"\r\n-- Atom type name: MSTConnector\r\n-- Atom type name: LgSeq\r\n-- Atom type name: LgAnd\r\n-- Atom type name: LgOr\r\n-- Atom type name: LgWordCset\r\n-- Atom type name: LgLinkInstanceNode\r\n-- Atom type name: LgLinkInstanceLink\r\n-- Custom atom type name specified: \"MSTLinkNode\"\r\n-- Atom type name: MSTLinkNode\r\n-- Custom atom type name specified: \"MSTDisjunctNode\"\r\n-- Atom type name: MSTDisjunctNode\r\n[ 14%] Built target nlp_atom_types\r\nScanning dependencies of target nlp-types\r\n[ 14%] Building CXX object opencog/nlp/types/CMakeFiles/nlp-types.dir/NLPTypes.cc.o\r\nLinking CXX shared library libnlp-types.so\r\n[ 15%] Built target nlp-types\r\nScanning dependencies of target wsd\r\n[ 15%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/EdgeThin.cc.o\r\n[ 16%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/EdgeUtils.cc.o\r\n[ 16%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/Mihalcea.cc.o\r\n[ 18%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/MihalceaEdge.cc.o\r\n[ 18%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/MihalceaLabel.cc.o\r\n[ 18%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/NNAdjust.cc.o\r\n[ 19%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/ParseRank.cc.o\r\n[ 19%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/ReportRank.cc.o\r\n[ 20%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/SenseCache.cc.o\r\n[ 20%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/SenseRank.cc.o\r\n[ 20%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/SenseSimilarityLCH.cc.o\r\n[ 22%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/SenseSimilaritySQL.cc.o\r\n[ 22%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/Sweep.cc.o\r\n[ 23%] Building CXX object opencog/nlp/wsd/CMakeFiles/wsd.dir/WordSenseProcessor.cc.o\r\nLinking CXX shared library libwsd.so\r\n[ 23%] Built target wsd\r\nScanning dependencies of target savable\r\n[ 24%] Building CXX object opencog/persist/file/CMakeFiles/savable.dir/CoreUtils.cc.o\r\n[ 24%] Building CXX object opencog/persist/file/CMakeFiles/savable.dir/SavingLoading.cc.o\r\n[ 24%] Building CXX object opencog/persist/file/CMakeFiles/savable.dir/SpaceServerSavable.cc.o\r\n[ 25%] Building CXX object opencog/persist/file/CMakeFiles/savable.dir/TimeServerSavable.cc.o\r\n[ 25%] Building CXX object opencog/persist/file/CMakeFiles/savable.dir/TemporalTableFile.cc.o\r\nLinking CXX shared library libsavable.so\r\n[ 25%] Built target savable\r\nScanning dependencies of target scheme-shell\r\n[ 27%] Building CXX object opencog/shell/CMakeFiles/scheme-shell.dir/GenericShell.cc.o\r\n[ 27%] Building CXX object opencog/shell/CMakeFiles/scheme-shell.dir/SchemeShell.cc.o\r\n[ 27%] Building CXX object opencog/shell/CMakeFiles/scheme-shell.dir/SchemeShellModule.cc.o\r\nLinking CXX shared library libscheme-shell.so\r\n[ 27%] Built target scheme-shell\r\nScanning dependencies of target attention_atom_types\r\n[ 27%] Generating opencog types\r\n-- Atom type name: HebbianLink\r\n-- Atom type name: AsymmetricHebbianLink\r\n-- Atom type name: SymmetricHebbianLink\r\n-- Atom type name: InverseHebbianLink\r\n-- Atom type name: SymmetricInverseHebbianLink\r\n[ 27%] Built target attention_atom_types\r\nScanning dependencies of target attention-types\r\n[ 28%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention-types.dir/atom_types_init.cc.o\r\nLinking CXX shared library libattention-types.so\r\n[ 28%] Built target attention-types\r\nScanning dependencies of target server\r\n[ 29%] Building CXX object opencog/server/CMakeFiles/server.dir/Agent.cc.o\r\n[ 29%] Building CXX object opencog/server/CMakeFiles/server.dir/BaseServer.cc.o\r\n[ 31%] Building CXX object opencog/server/CMakeFiles/server.dir/CogServer.cc.o\r\n[ 31%] Building CXX object opencog/server/CMakeFiles/server.dir/Request.cc.o\r\n[ 31%] Building CXX object opencog/server/CMakeFiles/server.dir/NetworkServer.cc.o\r\n[ 32%] Building CXX object opencog/server/CMakeFiles/server.dir/ServerSocket.cc.o\r\n[ 32%] Building CXX object opencog/server/CMakeFiles/server.dir/ConsoleSocket.cc.o\r\n[ 33%] Building CXX object opencog/server/CMakeFiles/server.dir/SystemActivityTable.cc.o\r\nLinking CXX shared library libserver.so\r\n[ 33%] Built target server\r\nScanning dependencies of target attention\r\n[ 33%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention.dir/AttentionModule.cc.o\r\n[ 35%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention.dir/ForgettingAgent.cc.o\r\n[ 35%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention.dir/HebbianUpdatingAgent.cc.o\r\n[ 36%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention.dir/SimpleHebbianUpdatingAgent.cc.o\r\n[ 36%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention.dir/ImportanceSpreadingAgent.cc.o\r\n[ 36%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention.dir/ImportanceDiffusionAgent.cc.o\r\n[ 37%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention.dir/SimpleImportanceDiffusionAgent.cc.o\r\n[ 37%] Building CXX object opencog/dynamics/attention/CMakeFiles/attention.dir/ImportanceUpdatingAgent.cc.o\r\nLinking CXX shared library libattention.so\r\n[ 37%] Built target attention\r\nScanning dependencies of target hebbiancreation\r\n[ 37%] Building CXX object opencog/dynamics/attention/CMakeFiles/hebbiancreation.dir/HebbianCreationModule.cc.o\r\nLinking CXX shared library libhebbiancreation.so\r\n[ 37%] Built target hebbiancreation\r\nScanning dependencies of target OpenPsi\r\n[ 38%] Building CXX object opencog/dynamics/openpsi/CMakeFiles/OpenPsi.dir/OpenPsiModule.cc.o\r\n[ 38%] Building CXX object opencog/dynamics/openpsi/CMakeFiles/OpenPsi.dir/PsiDemandUpdaterAgent.cc.o\r\n[ 38%] Building CXX object opencog/dynamics/openpsi/CMakeFiles/OpenPsi.dir/PsiActionSelectionAgent.cc.o\r\n[ 40%] Building CXX object opencog/dynamics/openpsi/CMakeFiles/OpenPsi.dir/PsiRuleUtil.cc.o\r\n[ 40%] Building CXX object opencog/dynamics/openpsi/CMakeFiles/OpenPsi.dir/PsiModulatorUpdaterAgent.cc.o\r\nLinking CXX shared library libOpenPsi.so\r\n[ 40%] Built target OpenPsi\r\nScanning dependencies of target PersistModule\r\n[ 40%] Building CXX object opencog/modules/CMakeFiles/PersistModule.dir/PersistModule.cc.o\r\nLinking CXX shared library libPersistModule.so\r\n[ 40%] Built target PersistModule\r\nScanning dependencies of target QueryModule\r\n[ 40%] Building CXX object opencog/modules/CMakeFiles/QueryModule.dir/QueryModule.cc.o\r\nLinking CXX shared library libQueryModule.so\r\n[ 40%] Built target QueryModule\r\nScanning dependencies of target RuleEngineModule\r\n[ 41%] Building CXX object opencog/modules/CMakeFiles/RuleEngineModule.dir/RuleEngineModule.cc.o\r\nLinking CXX shared library libRuleEngineModule.so\r\n[ 41%] Built target RuleEngineModule\r\nScanning dependencies of target plnmodule\r\n[ 42%] Building CXX object opencog/modules/CMakeFiles/plnmodule.dir/PLNModule.cc.o\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc: In member function ‘void opencog::PLNModule::add_af_signal_handler(const opencog::Handle&, const AttentionValuePtr&, const AttentionValuePtr&)’:\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:111:37: error: no matching function for call to ‘opencog::DefaultForwardChainerCB::DefaultForwardChainerCB(opencog::AtomSpace*&)’\r\n     DefaultForwardChainerCB dfcb(as_);\r\n                                     ^\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:111:37: note: candidate is:\r\nIn file included from /home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:29:0:\r\n/usr/local/include/opencog/rule-engine/forwardchainer/DefaultForwardChainerCB.h:44:5: note: opencog::DefaultForwardChainerCB::DefaultForwardChainerCB(opencog::AtomSpace&, opencog::source_selection_mode)\r\n     DefaultForwardChainerCB(AtomSpace& as,\r\n     ^\r\n/usr/local/include/opencog/rule-engine/forwardchainer/DefaultForwardChainerCB.h:44:5: note:   no known conversion for argument 1 from ‘opencog::AtomSpace*’ to ‘opencog::AtomSpace&’\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:112:45: error: no matching function for call to ‘opencog::ForwardChainer::ForwardChainer(opencog::AtomSpace*&, const opencog::Handle&)’\r\n     ForwardChainer fc(as_, Handle::UNDEFINED);\r\n                                             ^\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:112:45: note: candidates are:\r\nIn file included from /home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:30:0:\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:70:5: note: opencog::ForwardChainer::ForwardChainer(opencog::AtomSpace&, opencog::Handle)\r\n     ForwardChainer(AtomSpace& as, Handle rbs);\r\n     ^\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:70:5: note:   no known conversion for argument 1 from ‘opencog::AtomSpace*’ to ‘opencog::AtomSpace&’\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:38:7: note: opencog::ForwardChainer::ForwardChainer(const opencog::ForwardChainer&)\r\n class ForwardChainer {\r\n       ^\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:38:7: note:   candidate expects 1 argument, 2 provided\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:38:7: note: opencog::ForwardChainer::ForwardChainer(opencog::ForwardChainer&&)\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:38:7: note:   candidate expects 1 argument, 2 provided\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc: In member function ‘void opencog::PLNModule::add_atom_signal_handler(const opencog::Handle&)’:\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:131:37: error: no matching function for call to ‘opencog::DefaultForwardChainerCB::DefaultForwardChainerCB(opencog::AtomSpace*&)’\r\n     DefaultForwardChainerCB dfcb(as_);\r\n                                     ^\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:131:37: note: candidate is:\r\nIn file included from /home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:29:0:\r\n/usr/local/include/opencog/rule-engine/forwardchainer/DefaultForwardChainerCB.h:44:5: note: opencog::DefaultForwardChainerCB::DefaultForwardChainerCB(opencog::AtomSpace&, opencog::source_selection_mode)\r\n     DefaultForwardChainerCB(AtomSpace& as,\r\n     ^\r\n/usr/local/include/opencog/rule-engine/forwardchainer/DefaultForwardChainerCB.h:44:5: note:   no known conversion for argument 1 from ‘opencog::AtomSpace*’ to ‘opencog::AtomSpace&’\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:132:45: error: no matching function for call to ‘opencog::ForwardChainer::ForwardChainer(opencog::AtomSpace*&, const opencog::Handle&)’\r\n     ForwardChainer fc(as_, Handle::UNDEFINED);\r\n                                             ^\r\n/home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:132:45: note: candidates are:\r\nIn file included from /home/eskender/Desktop/OpenCog/opencog/opencog/modules/PLNModule.cc:30:0:\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:70:5: note: opencog::ForwardChainer::ForwardChainer(opencog::AtomSpace&, opencog::Handle)\r\n     ForwardChainer(AtomSpace& as, Handle rbs);\r\n     ^\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:70:5: note:   no known conversion for argument 1 from ‘opencog::AtomSpace*’ to ‘opencog::AtomSpace&’\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:38:7: note: opencog::ForwardChainer::ForwardChainer(const opencog::ForwardChainer&)\r\n class ForwardChainer {\r\n       ^\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:38:7: note:   candidate expects 1 argument, 2 provided\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:38:7: note: opencog::ForwardChainer::ForwardChainer(opencog::ForwardChainer&&)\r\n/usr/local/include/opencog/rule-engine/forwardchainer/ForwardChainer.h:38:7: note:   candidate expects 1 argument, 2 provided\r\nmake[2]: *** [opencog/modules/CMakeFiles/plnmodule.dir/PLNModule.cc.o] Error 1\r\nmake[1]: *** [opencog/modules/CMakeFiles/plnmodule.dir/all] Error 2\r\nmake: *** [all] Error 2\r\n\r\n==========================================================\r\n"}}