phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78cf47e94243a20c842a48e542f50964' 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 ('78cf47e94243a20c842a48e542f50964', -1, 1714423103, 1714423103, '0390fc8c', -1, 0, 0)

Line : 187
File : sessions.php