phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '484815191a29a0d3d4faa3889d15086e' 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 ('484815191a29a0d3d4faa3889d15086e', -1, 1715762674, 1715762674, '12dd1885', -8, 0, 0)

Line : 187
File : sessions.php