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 ('55229b971b62d31d4bf70fa38f33958a', -1, 1561471299, 1561471299, '22e4c2b1', 14, 0, 0)

Line : 187
File : sessions.php