phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6394ef2b5685dfbed4822ae3973b9723' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6394ef2b5685dfbed4822ae3973b9723', -1, 1765800093, 1765800093, 'd849d8a2', 2, 0, 0)

Line : 187
File : sessions.php