phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dostscho_mysql/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b36a4562de4da635e1fceb757310d223', -1, 1537470688, 1537470688, '36c617fb', 23, 0, 0)

Line : 187
File : sessions.php