Warning: Undefined array key "etc" in /home/selub/src/html/user/post/list.sub on line 3

Fatal error: Uncaught TypeError: GET_BOARD_BY_ID_HANDLER::exec(): Argument #1 ($id) must be of type int, null given, called in /home/selub/src/html/user/post/list.sub on line 11 and defined in /home/selub/src/features/board/application/query/get_board/get_board_by_id.handler.cls:5 Stack trace: #0 /home/selub/src/html/user/post/list.sub(11): GET_BOARD_BY_ID_HANDLER::exec() #1 /home/selub/src/html/user/post/index.sub(23): include('...') #2 /home/selub/src/html/user/index.sc(19): include('...') #3 {main} thrown in /home/selub/src/features/board/application/query/get_board/get_board_by_id.handler.cls on line 5