Fatal error: Uncaught ArgumentCountError: Too few arguments to function Files::group_thumbnail(), 0 passed in /u01/jr-fr/system/codeigniter/CodeIgniter.php on line 236 and exactly 1 expected in /u01/jr-fr/system/application/controllers/files.php:91 Stack trace: #0 /u01/jr-fr/system/codeigniter/CodeIgniter.php(236): Files->group_thumbnail() #1 /u01/jr-fr/index.php(123): require_once('/u01/jr-fr/syst...') #2 {main} thrown in /u01/jr-fr/system/application/controllers/files.php on line 91