CSMS # 66531553 - ACE database Degradation affecting ACE applications U.S. Customs and Border Protection sent this bulletin at 10/15/2025 09:17 AM EDT Cargo Systems Messaging Service CSMS # 66531553 - ACE database Degradation affecting ACE applications CBP is aware of ACE database degradation impacting ACE applications. SMEs are troubleshooting the issue and will send an updated CSMS notification as soon as the issue resolved.