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 ('f91e4f07df5aa4cc9e9d3c9d9b1b2752', -1, 1783563087, 1783563087, 'd849d83e', -2, 0, 0)

Line : 187
File : sessions.php