For certain users that get this when trying to minimize the category columns in the grader report. I do not see a pattern.
Coding error detected, it must be fixed by a programmer: Invalid value in set_user_preference() call, value is is too long for the value column
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More information about this error
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Debug info:
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Error code: codingerror
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Stack trace:
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line 1838 of /lib/moodlelib.php: coding_exception thrown
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line 1563 of /grade/report/grader/lib.php: call to set_user_preference()
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line 110 of /grade/report/grader/index.php: call to grade_report_grader::do_process_action()
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- duplicates
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MDL-30668 Prevent the grader report from storing serialized data in the user_preferences table
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- Closed
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