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 ('790bd28c79d6d1f8d3b454c3b34783ae', -1, 1561464585, 1561464585, '22e4c2b1', 17, 0, 0)

Line : 187
File : sessions.php