Ok thank you very much.
Maybe my log file will be usefull for you:
2019-01-13T04:43:28+00:00 CRITICAL Uncaught Error: Call to a member function get_groups() on boolean in /wp-content/plugins/ajax-login-and-registration-modal-popup/includes/class-settings.php:908
Stack trace:
#0 /wp-content/plugins/ajax-login-and-registration-modal-popup/includes/class-settings.php(863): LRM_Settings->get_section_settings_fields(‘general_pro’)
#1 /wp-content/plugins/ajax-login-and-registration-modal-popup/includes/class-settings.php(790): LRM_Settings->_get_maybe_wpml_translated_string(‘general_pro/all…’, ‘general_pro’)
#2 /wp-content/plugins/ajax-login-and-registration-modal-popup/views/form.php(103): LRM_Settings->setting(‘general_pro/all…’)
#3 /wp-content/plugins/ajax-login-and-registration-modal-popup/includes/class-core.php(245): require(‘/home/awbm5wt7v…’)
#4 /wp-content/plugins/ajax-login-and-registration-modal-popup/includes/class-core.
