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 ('628ef6a8a7eff6ce22bd0a1c70f4cf29', -1, 1432574358, 1432574358, '36c58ef9', -1, 0, 0)

Line : 172
File : sessions.php