phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a639b974cc6b780d9177d4129bf04786' 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 ('a639b974cc6b780d9177d4129bf04786', -1, 1714812263, 1714812263, '12db0e3f', -1, 0, 0)

Line : 187
File : sessions.php