phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '639f559504f13ad6499933cc8daf93f8' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('639f559504f13ad6499933cc8daf93f8', -1, 1715808525, 1715808525, '12e2b967', -4, 0, 0)

Line : 187
File : sessions.php