phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1194 Table '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 ('c0fd4b513c48a3b536fcf2f8695c9f31', -1, 1440942708, 1440942708, '36c4afad', -1, 0, 0)

Line : 172
File : sessions.php