Fatal error: Uncaught TypeError: Return value of bpmj\wpidea\templates_system\groups\Template_Groups_Repository::fetch_groups_from_the_db() must be an instance of bpmj\wpidea\templates_system\groups\Groups_Collection, bool returned in /home/klient.dhosting.pl/k2bukowski/zostankorektorka/public_html/wp-content/plugins/wp-idea/includes/templates-system/groups/class-template-groups-repository.php:92 Stack trace: #0 /home/klient.dhosting.pl/k2bukowski/zostankorektorka/public_html/wp-content/plugins/wp-idea/includes/templates-system/groups/class-template-groups-repository.php(34): bpmj\wpidea\templates_system\groups\Template_Groups_Repository->fetch_groups_from_the_db() #1 /home/klient.dhosting.pl/k2bukowski/zostankorektorka/public_html/wp-content/plugins/wp-idea/includes/templates-system/groups/class-template-groups-repository.php(43): bpmj\wpidea\templates_system\groups\Template_Groups_Repository->find_all() #2 /home/klient.dhosting.pl/k2bukowski/zostankorektorka/public_html/wp-content/plugins/wp-idea/includes/templates-syst in /home/klient.dhosting.pl/k2bukowski/zostankorektorka/public_html/wp-content/plugins/wp-idea/includes/templates-system/groups/class-template-groups-repository.php on line 92