phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b1f0acb0d386821c0352181a8e5a1afd' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('b1f0acb0d386821c0352181a8e5a1afd', -1, 1758373766, 1758373766, 'd849d883', 41, 0)

Line : 180
File : /www/includes/sessions.php