phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './ultimate/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 ('9768d488bb0982777300377b3bc5a5b4', -1, 1555807479, 1555807479, '365a56e7', 216, 0, 0)

Line : 187
File : sessions.php