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 ('c9a5505a9de161fb0dca639a7b57566d', -1, 1430828119, 1430828119, '3690f6fc', -1, 0, 0)

Line : 172
File : sessions.php