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When I imported users with the Frontend User Management Module I got this error message:

Fatal error: Uncaught TypeError: trim() expects parameter 1 to be string, null given in /home/qp/public_html/teszt/modules/CGExtensions/CGExtensions.module.php:1683 Stack trace: #0 /home/qp/public_html/teszt/modules/CGExtensions/CGExtensions.module.php(1683): trim(NULL) #1 /home/qp/public_html/teszt/modules/FrontEndUsers/action.admin_import_users.php(45): CGExtensions->CGGetPreference('importprefs') #2 /home/qp/public_html/teszt/lib/classes/class.CMSModule.php(1403): include('/home/qp/public...') #3 /home/qp/public_html/teszt/modules/CGExtensions/CGExtensions.module.php(623): CMSModule->DoAction('admin_import_us...', 'm1_', Array, '') #4 /home/qp/public_html/teszt/lib/classes/class.CMSModule.php(1479): CGExtensions->DoAction('admin_import_us...', 'm1_', Array, '') #5 /home/qp/public_html/teszt/admin/moduleinterface.php(74): CMSModule->DoActionBase('admin_import_us...', 'm1_', Array, '', Object(Smarty_CMS)) #6 {main} thrown in /home/qp/public_html/teszt/modules/CGExtensions/CGExtensions.module.php on line 1683


PHP version 7.2.24
FrontEndUsers 3.2.2
CGExtensions 1.65.2

Can somebody help me?

If it's not too late, I'd suggest not going higher than FEU 2.14.3.4. The 3.x branch is quite buggy and hasn't had any updates in ~9 months, whereas 2.x is quite stable.

I tried the FrontEndUsers-2.14.3.4 but got the same error
(in fresh cmsms version too)

When I downgrade CGExtensions to 1.62.9 it started working