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 ('4185c137829f62a06bed4531e5f2f33c', -1, 1506015297, 1506015297, '36c61c72', 0, 0, 0)

Line : 189
File : sessions.php