phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '647379d4e831dc27b63d4e3e4a73ff4f' 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 ('647379d4e831dc27b63d4e3e4a73ff4f', -1, 1714364794, 1714364794, '340f3f91', -11, 0, 0)

Line : 187
File : sessions.php