Fatal error: Uncaught Error: Undefined constant "user_id" in /var/www/fost_ws_usr/data/www/fost.ws/engine/classes/comments.class.php:178
Stack trace:
#0 /var/www/fost_ws_usr/data/www/fost.ws/engine/classes/comments.class.php(106): DLE_Comments->compile_comment()
#1 /var/www/fost_ws_usr/data/www/fost.ws/engine/classes/comments.class.php(856): DLE_Comments->compile_comments()
#2 /var/www/fost_ws_usr/data/www/fost.ws/engine/modules/show.full.php(2182): DLE_Comments->build_comments()
#3 /var/www/fost_ws_usr/data/www/fost.ws/engine/engine.php(1021): include_once('...')
#4 /var/www/fost_ws_usr/data/www/fost.ws/engine/init.php(979): include_once('...')
#5 /var/www/fost_ws_usr/data/www/fost.ws/index.php(69): require_once('...')
#6 {main}
  thrown in /var/www/fost_ws_usr/data/www/fost.ws/engine/classes/comments.class.php on line 178