Hello.

When i try to upload a file user in CSV with this fields
username;password;idnumber;firstname;lastname;email;course1

Appear this error in log:

[Tue Jun 10 08:42:17 2014] [error] [client 190.254.20.226] PHP Fatal error: Class 'assign' not found in /var/www/mod/assign/lib.php on line 923, referer: http://mysite/admin/tool/uploaduser/index.php

I have migrated from version 2.5 to 2.7.

In the course when i try to enroll the users, have assignment in versión 2.2 and this mod is disable.