phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '991a4d0d306c0b97f637d415659dd640' 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 ('991a4d0d306c0b97f637d415659dd640', -1, 1714251621, 1714251621, '12745a8d', 10, 0, 0)

Line : 187
File : sessions.php