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 ('a2dee7f9471924bb79d9114fb2d69178', -1, 1432524605, 1432524605, '365906db', 26, 0, 0)

Line : 187
File : sessions.php