phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('87e0daa12c1c8c4284ceb9d2279e9c07', -1, 1490463004, 1490463004, '36a613ed', -1, 0, 0)

Line : 187
File : sessions.php