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 ('1c27f770352fab353cb21db041cbfdde', -1, 1788580709, 1788580709, 'd849d8d0', 3, 0, 0)

Line : 187
File : sessions.php