Fatal error: Uncaught TypeError: file_put_contents(): Argument #1 ($filename) must be of type string, array given in /var/app/current/web/newux/controllers/index_chat.php:160
Stack trace:
#0 /var/app/current/web/newux/controllers/index_chat.php(160): file_put_contents()
#1 /var/app/current/web/newux/autoload.php(703): include('...')
#2 /var/app/current/index.php(13): include_once('...')
#3 {main}
  thrown in /var/app/current/web/newux/controllers/index_chat.php on line 160