phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '64734a478a4814b41fc70367bc39ba21' 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 ('64734a478a4814b41fc70367bc39ba21', -1, 1715697091, 1715697091, '0d3af7e7', -8, 0, 0)

Line : 187
File : sessions.php