phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4878a34aa4d5b1d47ce74941848ac6d4' 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 ('4878a34aa4d5b1d47ce74941848ac6d4', -1, 1715890058, 1715890058, '12de9ee2', -7, 0, 0)

Line : 187
File : sessions.php