phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a5ff795cde816c4ed6c0f5c420816bff' 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 ('a5ff795cde816c4ed6c0f5c420816bff', -1, 1714840967, 1714840967, '12bcafb6', -4, 0, 0)

Line : 187
File : sessions.php