Last modified: 2014-10-24 17:29:34 UTC

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Bug 72395 - Cannot open VE for a specific page and the error "TypeError: lastSection is undefined" appears in the console
Cannot open VE for a specific page and the error "TypeError: lastSection is u...
Status: RESOLVED FIXED
Product: MobileFrontend
Classification: Unclassified
General/Unknown (Other open bugs)
unspecified
All All
: Unprioritized normal
: ---
Assigned To: Jon
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2014-10-22 22:14 UTC by Rummana Yasmeen
Modified: 2014-10-24 17:29 UTC (History)
6 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

Attachments
Screenshot (164.04 KB, image/png)
2014-10-22 22:14 UTC, Rummana Yasmeen 		Details
Add an attachment (proposed patch, testcase, etc.)

Description Rummana Yasmeen 2014-10-22 22:14:49 UTC 
Created attachment 16856 [details]
Screenshot

Steps to reproduce:

1.Go to this page site:http://en.m.wikipedia.beta.wmflabs.org/wiki/22ndoctoberff


Observed Result:
As soon as you open the page, the following error appears in Firefox and there is a lock icon appearing on Edit icon so cannot open VE for it

TypeError: lastSection is undefined


Also , in Chrome the error message is:

TypeError: Cannot read property 'children' of undefined

See the screenshot attached
Comment 1 Bingle 2014-10-22 22:15:10 UTC 
Prioritization and scheduling of this bug is tracked on Trello card https://trello.com/c/3ycdjooK
Comment 2 Jon 2014-10-22 22:53:13 UTC 
Seems to be a bug in the section.js code
Offending line is assignToParent( lastSection.children, section );
Would be good to add a new test case to Section.js
Comment 3 Gerrit Notification Bot 2014-10-23 19:55:39 UTC 
Change 168398 had a related patch set uploaded by Bmansurov:
Fix transforming sections

https://gerrit.wikimedia.org/r/168398
Comment 4 Bahodir Mansurov 2014-10-23 20:13:27 UTC 
The error has been fixed. However, when I hit the edit button, the editor doesn't just shows part of the page contents. Also, collapsing is not working as intended. I think it might have to do with the way the header elements are used. Maybe needs a separate ticket.
Comment 5 Bahodir Mansurov 2014-10-23 20:14:29 UTC 
Typo in "the editor doesn't just shows" above. It should read "the editor just shows"
Comment 6 Gerrit Notification Bot 2014-10-24 17:28:47 UTC 
Change 168398 merged by jenkins-bot:
Fix transforming sections

https://gerrit.wikimedia.org/r/168398
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