phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '487f1346553b892df1ad3b0918f737dc' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('487f1346553b892df1ad3b0918f737dc', -1, 1760861146, 1760861146, 'd849d81d', -9, 0, 0)

Line : 187
File : sessions.php