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 ('63bc2372bb6cd46f86b4284729482876', -1, 1783565412, 1783565412, 'd849d8e8', 9, 0, 0)

Line : 187
File : sessions.php