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 ('8c74069340ae7d1c0170243c1a8124e7', -1, 1787540761, 1787540761, 'd849d85f', -2, 0, 0)

Line : 187
File : sessions.php