{"action":"closed","issue":{"url":"https://api.github.com/repos/Khan/khan-exercises/issues/143425","labels_url":"https://api.github.com/repos/Khan/khan-exercises/issues/143425/labels{/name}","comments_url":"https://api.github.com/repos/Khan/khan-exercises/issues/143425/comments","events_url":"https://api.github.com/repos/Khan/khan-exercises/issues/143425/events","html_url":"https://github.com/Khan/khan-exercises/issues/143425","id":24385656,"number":143425,"title":"Comparing with multiplication - Blank page","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"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/scratchpad","name":"scratchpad","color":"DDDDDD"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/undef","name":"undef","color":"ededed"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/win7","name":"win7","color":"ededed"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2013-12-16T22:41:50Z","updated_at":"2015-11-18T22:53:28Z","closed_at":"2015-11-18T22:53:28Z","body":"On the 4th problem of my Mastery Challenge, nothing is displaying. I am able to activate/deactivate the scratchpad, but when pressing answer, \"I haven't learned this yet,\" or \"I'd like a hint,\" nothing happens \n\n[comparing-with-multiplication.html?seed=106&problem=undefined](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/comparing-with-multiplication.html?seed=106&problem=undefined&debug&lang=en)\n\n[Answer timeline](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/comparing-with-multiplication.html?seed=106&problem=undefined&debug&lang=en&activity=undefined)\n\n    undefined\n\nLocale: en\n\nUser hash: 1827111303\n\nMozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 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\nloadExercise start multi-step-word-problems-with-whole-numbers.html\nloadExercise start comparing_absolute_values.html\nloading and rendering comparing-with-multiplication\nloadExercise start comparing-with-multiplication.html\nloadExercise err 404 multi-step-word-problems-with-whole-numbers.html\nerror: Error loading exercise from file multi-step-word-problems-with-whole-numbers.html 404 Not Found\nloadExercise got comparing_absolute_values.html\nloadExercise submod math\nloadModule mod /khan-exercises/utils/math.js\nloadModule mod /khan-exercises/utils/../third_party/raphael.js\nloadExercise submod graphie\nloadModule mod /khan-exercises/utils/graphie.js\nloadModule mod /khan-exercises/utils/kpoint.js\nloadModule mod /khan-exercises/utils/kvector.js\nloadModule mod /khan-exercises/utils/knumber.js\nloadExercise submod graphie-helpers\nloadModule mod /khan-exercises/utils/graphie-helpers.js\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 comparing_absolute_values.html\nloadExercise err 404 comparing-with-multiplication.html\nerror: Error loading exercise from file comparing-with-multiplication.html 404 Not Found\nstartTask...\nstartTask got task undefined\nloading and rendering comparing-with-multiplication"}}