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 ('3a314760a694695ee6cb2d7f9cd24803', -1, 1427396885, 1427396885, '36a7a346', -1, 0, 0)

Line : 172
File : sessions.php