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 ('8dbb2edd328aa59821f14cf19b7df4d0', -1, 1773413792, 1773413792, 'd849d837', -9, 0, 0)

Line : 187
File : sessions.php