phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './thexfir4/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 ('9d7a125e6d944c4c69abb02ac179efc0', -1, 1566795860, 1566795860, '12e87c4d', 21, 0, 0)

Line : 187
File : sessions.php