Dobrý den,
asi jsem našel problém, na základě výpisu z logu jsem udělal opravu tabulky mdl_assignment_submissions, vypadá že tím je problém vyřešen.
[01-Feb-2022 16:32:43 Europe/Prague] PHP Notice: Duplicate entry '34463' for key 'PRIMARY'<br /><br />INSERT INTO mdl_assignment_submissions ( ASSIGNMENT, USERID, TIMECREATED, TIMEMODIFIED, NUMFILES, DATA1, DATA2, GRADE, SUBMISSIONCOMMENT, FORMAT, TEACHER, TIMEMARKED, MAILED ) VALUES ( 25, 3135, 0, 0, 0, '', '', -1, '', 0, 0, 0, 0 )<ul style="text-align: left"><li>line 1568 of lib/dmllib.php: call to debugging()</li><li>line 1506 of mod/assignment/lib.php: call to insert_record()</li><li>line 1416 of mod/assignment/lib.php: call to assignment_base->get_submission()</li><li>line 510 of mod/assignment/lib.php: call to assignment_base->process_feedback()</li><li>line 43 of mod/assignment/submissions.php: call to assignment_base->submissions()</li></ul> in /home/e-learning/html/lib/weblib.php on line 7078