phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './dhabih_i428php/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 ('79b84c0e2d750eb87f24c2f7b3a81656', -1, 1414835036, 1414835036, '36a1e41d', 3, 0, 0)

Line : 187
File : sessions.php