phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './pocketpctalk_bb/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 ('12d343e579e63e87983be239eedb6a8c', -1, 1508568068, 1508568068, '365c8dd3', 58, 0, 0)

Line : 187
File : sessions.php