My all students in their installation when they make a task, it's impossible...
The error in the 2014 it happened but i don't understant the solution... link
The error is ...
Debug info: Column 'requireallteammemberssubmit' cannot be null
INSERT INTO mdl_assign (name,timemodified,course,intro,introformat,alwaysshowdescription,submissiondrafts,requiresubmissionstatement,sendnotifications,sendlatenotifications,sendstudentnotifications,duedate,cutoffdate,gradingduedate,allowsubmissionsfromdate,grade,completionsubmit,teamsubmission,requireallteammemberssubmit,blindmarking,attemptreopenmethod,markingworkflow,markingallocation) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
[array (
0 => 'bgygy',
1 => 1556284613,
2 => '2',
3 => '',
4 => '1',
5 => 0,
6 => '0',
7 => '0',
8 => '0',
9 => '0',
10 => '0',
11 => 1556298960,
12 => 0,
13 => 0,
14 => 1556284560,
15 => 100,
16 => 1,
17 => '0',
18 => NULL,
19 => '0',
20 => 'none',
21 => '0',
22 => 0,
)]
Error code: dmlwriteexception