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 ('b8cdce727b2c7e64833ccac76f4ea7aa', -1, 1417026475, 1417026475, '36c5d3c5', 2, 0, 0)

Line : 187
File : sessions.php