{"action":"closed","issue":{"url":"https://api.github.com/repos/Khan/khan-exercises/issues/160463","labels_url":"https://api.github.com/repos/Khan/khan-exercises/issues/160463/labels{/name}","comments_url":"https://api.github.com/repos/Khan/khan-exercises/issues/160463/comments","events_url":"https://api.github.com/repos/Khan/khan-exercises/issues/160463/events","html_url":"https://github.com/Khan/khan-exercises/issues/160463","id":25594831,"number":160463,"title":"1-digit addition - Glitch...again","user":{"login":"KhanBugz","id":924247,"avatar_url":"https://avatars.githubusercontent.com/u/924247?v=3","gravatar_id":"","url":"https://api.github.com/users/KhanBugz","html_url":"https://github.com/KhanBugz","followers_url":"https://api.github.com/users/KhanBugz/followers","following_url":"https://api.github.com/users/KhanBugz/following{/other_user}","gists_url":"https://api.github.com/users/KhanBugz/gists{/gist_id}","starred_url":"https://api.github.com/users/KhanBugz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KhanBugz/subscriptions","organizations_url":"https://api.github.com/users/KhanBugz/orgs","repos_url":"https://api.github.com/users/KhanBugz/repos","events_url":"https://api.github.com/users/KhanBugz/events{/privacy}","received_events_url":"https://api.github.com/users/KhanBugz/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/chrome","name":"chrome","color":"e102d8"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/not-showing","name":"not-showing","color":"28AE7B"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2014-01-14T18:35:06Z","updated_at":"2015-11-17T21:46:07Z","closed_at":"2015-11-17T21:46:07Z","body":"Last time, there was a glitch and I couldn't see the problem and had to reload every time, and now, it's not even trying to come out, no matter how many times I reload it. Please help!!! =(\n\n[addition_1.html?seed=162&problem=0](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/addition_1.html?seed=162&problem=0&debug&lang=en)\n\n[Answer timeline](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/addition_1.html?seed=162&problem=0&debug&lang=en&activity=%5B%5D)\n\n    []\n\nLocale: en\n\nUser hash: 1794055545\n\nMozilla/5.0 (X11; CrOS i686 4731.101.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.67 Safari/537.36\n\nMathJax is loaded, ready, queue length: 0\n\n\n\nstart of log\nloadModule mod /khan-exercises/utils/answer-types.js\nloadModule mod /khan-exercises/utils/tmpl.js\nloadModule mod /khan-exercises/utils/tex.js\nloadModule mod /khan-exercises/utils/jquery.adhesion.js\nloadModule mod /khan-exercises/utils/calculator.js\nloadModule mod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loading /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loaded /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nstartTask...\nstartTask got task undefined\nloadExercise start decimals_on_the_number_line_2.html\nloadExercise start subtracting_fractions.html\nloading and rendering addition_1\nloadExercise start addition_1.html\nloadExercise got subtracting_fractions.html\nloadExercise submod math\nloadModule mod /khan-exercises/utils/math.js\nloadModule mod /khan-exercises/utils/../third_party/raphael.js\nloadModule mod /khan-exercises/utils/knumber.js\nloadExercise submod math-format\nloadModule mod /khan-exercises/utils/math-format.js\nloadModule mod /khan-exercises/utils/expressions.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish subtracting_fractions.html\nloadExercise got addition_1.html\nloadExercise submod math\nloadExercise submod graphie\nloadModule mod /khan-exercises/utils/graphie.js\nloadModule mod /khan-exercises/utils/kpoint.js\nloadModule mod /khan-exercises/utils/kvector.js\nloadExercise submod graphie-helpers-arithmetic\nloadModule mod /khan-exercises/utils/graphie-helpers-arithmetic.js\nloadExercise submod word-problems\nloadModule mod /khan-exercises/utils/word-problems.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish addition_1.html\nloaded addition_1, now rendering\nstart of makeProblem\nchose problem type and seed for addition_1\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\nrunning mathLoad\nran mathLoad\n(../third_party/raphaelLoad not a fn; src undefined)\n(knumberLoad not a fn; src undefined)\nrunning graphieLoad\nran graphieLoad\nrunning kpointLoad\nran kpointLoad\nrunning kvectorLoad\nran kvectorLoad\n(graphie-helpers-arithmeticLoad not a fn; src undefined)\nrunning word-problemsLoad\nran word-problemsLoad\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\n(knumber not a fn; src undefined)\nrunning graphie\nerror: Error while evaluating \"(function() {init({range:[[0,12],[-1,1]]}),label([0,0],\\\"\\\\\\\\Huge{\\\\\\\\color{#6495ED}{\\\"+A+\\\"} + \\\\\\\\color{#28AE7B}{\\\"+B+\\\"} = {?}}\\\",\\\"right\\\")})()\"\nerror: TypeError: Cannot read property 'parentNode' of undefined\nran graphie\n(kpoint not a fn; src undefined)\n(kvector not a fn; src undefined)\n(graphie-helpers-arithmetic not a fn; src undefined)\n(word-problems not a fn; src undefined)\ndone with runModules\ndecided on answer type number\nvalidator created\nloadExercise got decimals_on_the_number_line_2.html\nloadExercise submod math\nloadExercise submod math-format\nloadExercise submod graphie\nloadExercise submod word-problems\nloadExercise submod interactive\nloadModule mod /khan-exercises/utils/interactive.js\nloadModule mod /khan-exercises/utils/../third_party/jquery.mobile.vmouse.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish decimals_on_the_number_line_2.html"}}