Fatal error: Uncaught TypeError: Ngn\classes\ContentFunctions::display_content(): Argument #1 ($content) must be of type string, null given, called in /home/citylinedrafts/public_html/php7/ngn/views/core/modules.php on line 6 and defined in /home/citylinedrafts/public_html/php7/ngn/classes/contentfunctions.php:51 Stack trace: #0 /home/citylinedrafts/public_html/php7/ngn/views/core/modules.php(6): Ngn\classes\ContentFunctions::display_content(NULL) #1 /home/citylinedrafts/public_html/php7/index.php(77): include('/home/citylined...') #2 {main} thrown in /home/citylinedrafts/public_html/php7/ngn/classes/contentfunctions.php on line 51