Fatal error: Uncaught TypeError: implode(): Argument #1 ($array) must be of type array, string given in /var/www/html/public_html/ga-institution/institution-sub-user.php:1024 Stack trace: #0 /var/www/html/public_html/ga-institution/institution-sub-user.php(1024): implode() #1 {main} thrown in /var/www/html/public_html/ga-institution/institution-sub-user.php on line 1024