CSMS #43047294 - ACE is experiencing delayed responses across all ABI applications U.S. Customs and Border Protection sent this bulletin at 06/15/2020 01:52 PM EDT Cargo Systems Messaging Service ACE is experiencing delayed responses across all ABI applications ACE is again experiencing delayed responses across all ABI applications. ACE Technicians are actively working the issue and another CSMS message will be sent when resolved.