phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './bdforum/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 ('7e2a5af98c3af443bce2bc7a7e9e6409', -1, 1454880352, 1454880352, '36eaf41e', -1, 0, 0)

Line : 187
File : sessions.php