phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '91c0d4bf78542a5de9671fd148c4e57c' 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 ('91c0d4bf78542a5de9671fd148c4e57c', -1, 1715979638, 1715979638, '0381d019', -1, 0, 0)

Line : 187
File : sessions.php