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 ('94efd9b8620d6a5141707591194c89ca', -1, 1441130569, 1441130569, '36ea3fbb', -1, 0, 0)

Line : 172
File : sessions.php