Details
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Type:
Bug
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Status: Closed
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Priority:
Critical
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Resolution: Fixed
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Affects Version/s: 2.4.3
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Component/s: Assignment
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Labels:
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Rank:48524
Description
Eloy reported an assignment upgrade exception with a null exception error message. "Could not convert assignment. Exception was: {$a}."
Extra info: object(comment_exception)[4892]
public 'errorcode' => string 'nopermissiontocomment' (length=21)
public 'module' => string 'error' (length=5)
public 'a' => null
public 'link' => string '' (length=0)
public 'debuginfo' => null
protected 'message' => string 'You can't add comments' (length=22)
private 'string' (Exception) => string '' (length=0)
protected 'code' => int 0
protected 'file' => string '/Users/stronk7/Sites/fp/moodle/comment/lib.php' (length=46)
protected 'line' => int 613
private 'trace' (Exception) =>
So 2 things need fixing: Assignment upgrade code needs to handle a null exception->error and more testing on upload assignments with comments re: permissions to try and reproduce this bug.
Activity
We have also run into this issue. Not clear on what Ryan's proposed change actually does. Does it actually fix it, or just show a non-null error message?
In any case, hope this gets fixed ASAP. Thanks!
The change that I mentioned only fixes one part of the issue, basically fills in the {$a} part of the error so that you know what the root cause of the error is. It does not fix the root cause of "You can't add comments", so the assignments still have problems with the upgrade process.
Just noting that I plan on working on this tomorrow.
Ah! I think this is when there is a submission for a student with notes but the student is no longer enrolled in the course (so sneaky).
I can verify that the assignments do update now, with your patches. Thanks!
Integrated (23, 24 & master), thanks!
All good Damyon
Your awesome contributions are now part of Moodle, your fav LMS out there.
Closing this as fixed.
Many thanks for all the hard work, ciao 
I also ran into this exact issue. Ended up changing line 273 in file /mod/assign/upgradelib.php to $log .= get_string('conversionexception', 'mod_assign', $exception->getMessage()); Is there any known fix or exact cause of the error? We're testing the upgrade from 1.9 to 2.4.