SAP Knowledge Base Article - Preview

2735055 - "Could not open app. Try again later" with "/UI2/CX_NWBC" exceptions in ST22 - Fiori Launchpad


  • "Could not open app. Try again later." when trying to open any apps from the Fiori Launchpad
  • "/UI2/CX_NWBC" uncaught exceptions in ST22
  • Exception has detailed error "Invalid HTTP configuration"
  • HTTP 500 error on the "/sap/bc/ui2/start_up" calls in the network trace



SAP Netweaver 7.4 / 7.5


SAP NetWeaver 7.4 ; SAP NetWeaver 7.5


could not open app, CX_NWBC, internal server error, start_up, startup, target mapping, httpurlloc , KBA , BC-FES-BUS-RUN , Runtime , CA-FLP-ABA , SAP Fiori Launchpad ABAP Services , Problem

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