phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8d6cf3e25b72265ad3e2a6665c2815e1' 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, priv_session_id) VALUES ('8d6cf3e25b72265ad3e2a6665c2815e1', -1, 1714284800, 1714284800, 'ac46b251', -7, 0, 0, '5dff2b03a989ac4b8b515f4becd519ab')

Line : 187
File : sessions.php