phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './soocool2_db/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 ('bbc3d66caa09347f98cc7f0ecd857d52', -1, 1438265300, 1438265300, '36e30d22', -1, 0, 0)

Line : 187
File : sessions.php