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 ('3620b43ed341a68c0399b230bcd7e724', -1, 1501122344, 1501122344, '36916521', 4, 0, 0)

Line : 187
File : sessions.php