https://trfc.tw/
TRFC-臺灣宗教與民俗文化平臺
https://userapps.support.sap.com/sap/support/knowledge/en/2257177
2257177 - ZDT | CUA | Exception TRFC_INACTIVE | SAP Knowledge Base Article
During an Upgrade of a system using the Zero Downtime option an exception TRFC_INACTIVE is raised, which stops the upgrade phase XPRAS_AIMMRG.
sap knowledgezdtcuaexceptioninactive