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 ('008a0a9b3167144df4998b636370f629', -1, 1427771514, 1427771514, '365afbc5', -1, 0, 0)

Line : 172
File : sessions.php