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[Bug 1537861] Re: View layout becomes corrupted when changed

 

And here's a new, possibly related layout problem. I have a shared page
that is displaying as a 2 column, 6 row layout, but the 2nd column
doesn't exist to drop artifacts into. I can only drop artifacts into the
first column (any row).

I tried to change it to a one column layout and got an unrecoverable
error. I tried a 2 column layout and it said it couldn't change the
layout because another user may also be editing the layout. I tried a 3
column layout and it converted itself back to 1 column.

** Attachment added: "Screenshot 2016-01-27 13.30.59.png"
   https://bugs.launchpad.net/mahara/+bug/1537861/+attachment/4557808/+files/Screenshot%202016-01-27%2013.30.59.png

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https://bugs.launchpad.net/bugs/1537861

Title:
  View layout becomes corrupted when changed

Status in Mahara:
  New

Bug description:
  Version: Mahara 15.04.5 (only encountered on this version, after
  upgrading from 15.04.4)

  We have had 2 users (out of over a thousand) have this problem so far,
  and I've been unable reproduce it or trace a specific cause but we do
  know the order of events and the outcome:

  They copy a page from another user
  Change content or add some new content
  Attempt to change the layout (say from 3 columns to 2 columns)

  Something goes wrong while the layout is being changed and the data in
  the table view_rows_columns no longer matches what's in the view
  table, and the page won't load anymore.

  As more users encounter this problem (and I'm assuming they will) I
  will update this report.

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References