phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './nwforum_1/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 ('cad1f2bfc52b13d36161991d49b3e6df', -1, 1558465423, 1558465423, '36a72ff8', -4, 0, 0)

Line : 187
File : sessions.php