phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1999a1bff4a272420d6feed67f6c7d7e' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1999a1bff4a272420d6feed67f6c7d7e', -1, 1715117681, 1715117681, '12bc8e92', 8, 0, 0)

Line : 187
File : sessions.php