Warning: fopen(testcounter.txt): Failed to open stream: No such file or directory in E:\htdocs\sites\handler-api.mooo.com\webhooks\webhooks2.php on line 10

Fatal error: Uncaught TypeError: fgets(): Argument #1 ($stream) must be of type resource, bool given in E:\htdocs\sites\handler-api.mooo.com\webhooks\webhooks2.php:11 Stack trace: #0 E:\htdocs\sites\handler-api.mooo.com\webhooks\webhooks2.php(11): fgets(false) #1 {main} thrown in E:\htdocs\sites\handler-api.mooo.com\webhooks\webhooks2.php on line 11