Fatal error: Uncaught TypeError: Argument 1 passed to SmsFormExtend\Components\FormService::customerGroupsStringToArray() must be of the type string, null given, called in /home/flowcylive/public_html/releases/3/custom/plugins/SmsFormExtend/Components/FormService.php on line 59 and defined in /home/flowcylive/public_html/releases/3/custom/plugins/SmsFormExtend/Components/FormService.php:69 Stack trace: #0 /home/flowcylive/public_html/releases/3/custom/plugins/SmsFormExtend/Components/FormService.php(59): SmsFormExtend\Components\FormService->customerGroupsStringToArray(NULL) #1 /home/flowcylive/public_html/releases/3/custom/plugins/SmsFormExtend/Subscribers/Forms.php(100): SmsFormExtend\Components\FormService->getPermittedCustomerGroups(Object(Shopware\Models\Form\Form)) #2 /home/flowcylive/public_html/releases/3/engine/Library/Enlight/Event/Handler/Default.php(91): SmsFormExtend\Subscribers\Forms->onPreDispatchForms(Object(Enlight_Controller_ActionEventArgs)) #3 /home/flowcylive/public_html/releases/3/engine/Library/Enli in /home/flowcylive/public_html/releases/3/custom/plugins/SmsFormExtend/Components/FormService.php on line 69