[SOLVED] Error when login as Team Member - by: jmu

Hello,
When login for the first time as Team Member the following error occurs
2020-01-03 12:59:36.254 ===== TRACE ===== NEW CONNECTED USER 'SN2-IAI'
2020-01-03 13:00:01.317 ***** ERROR ***** [V8.3.1] ERROR *****
2020-01-03 13:00:01.350 ***** ERROR ***** [V8.3.1] on file 'C:\laragon\www\projeqtor\model\UserMain.php' at line (435)
2020-01-03 13:00:01.382 ***** ERROR ***** [V8.3.1] cause = Undefined index:
2020-01-03 13:00:17.283 ***** ERROR ***** [V8.3.1] ERROR *****
2020-01-03 13:00:17.289 ***** ERROR ***** [V8.3.1] on file 'C:\laragon\www\projeqtor\model\UserMain.php' at line (435)
2020-01-03 13:00:17.298 ***** ERROR ***** [V8.3.1] cause = Undefined index:

There is no issue when login at the first time as Project Manager.

Regards
JMU