phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './phpbb/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 ('44266a986f3a3c6722b03c5ac5d751b6', -1, 1416767486, 1416767486, '36d364b7', -1, 0, 0)

Line : 187
File : sessions.php