2732887 - WDA: Log in with a dialog user

When opening any Web Dynpro ABAP application, 500 Internal Server Error is shown in the browser.

In transaction ST11, the dev_icf trace shows error "Log in with a dialog user".

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

• Web Dynpro ABAP
• SAP NetWeaver
• SAP NetWeaver Application Server for SAP S/4HANA
• ABAP PLATFORM - Application Server ABAP 

Web Dynpro, Webdynpro, Web Dynpro ABAP, WDA, WDA_GDPR, sicf, gui interface, not specified, yes, no, gui configuration, user type, su01, log on, log in, dialog user, service user, user type, st11, dev_icf, 500 internal server error, application cannot be start, not usable, dumps, empty st22, no dump, just browser, default host, inherits, /sap/public/, the user is not from Dialog type, log on with a dialog user, mimes, itsmobile, ITS, , KBA , BC-WD-ABA , Web Dynpro ABAP , BC-MID-ICF , Internet Communication Framework , BC-SEC-LGN , Authentication , BC-WD-ABA-REN , Rendering , BC-WD-ABA-RUN , Web Dynpro ABAP Runtime , BC-WD-ABA-CFG , Configuration / Personalization , BC-WD-ABA-GEN , Generation , Problem