phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './myforum/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 ('aee505473c2f1c4b3e61c4e873788235', -1, 1779951682, 1779951682, 'd849d9a9', -2, 0, 0)

Line : 187
File : sessions.php