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 ('2991ac4beb37509c7c84b7875dd29788', -1, 1566521217, 1566521217, '12e835e7', 7, 0, 0)

Line : 187
File : sessions.php