3040804 - SAP S/4HANA Migration Cockpit (LTMC) causes 500 internal error

When executing the Migration Cockpit (old) via LTMC one of the following error is shown in the browser:

• 500 Internal Server Error
• FPM application DMC_WDA was started with an invalid or without configuration
  

This error can also happen during file upload.

In transaction ST11 in the dev_icf trace one of the following error messages can be found:

• message E webdynpro_RT 023 cannot be processed in plugin mode
• message E webdynpro_RT 031 cannot be processed in plugin mode

similar as described in the KBA:

2732132 - WDA: Cannot be processed in plugin mode http

To execute Migration Cockpit the following must be activated / deactivated:

Services must be activated:

• /default_host/sap/bc/webdynpro/sap/DMC_WDA
• /default_host/sap/bc/webdynpro/sap/DMC_WDA_DATA_MIG
• /default_host/sap/bc/webdynpro/sap/DMC_WDA_GAF
• /default_host/sap/public/bc/icons
• /default_host/sap/public/bc/icons_rtl
• /default_host/sap/public/bc/webicons
• /default_host/sap/public/bc/pictograms
• /default_host/sap/public/bc/webdynpro/*
• /sap/public/bc/icf/logoff
• /sap/public/bc/icf/systemloginjs

Service shall be inactive:

•  /sap/public/myssocntl   (Typically the root-casue is that this service is active, see KBA 2483210.) 

OData service must be activated:

• MIG_MC_ODATA_SRV    (See KBA 3039598.)

To confirm if odata service is working or not, execute the following URL in your browser:

http://<hostname>:<port>/sap/opu/odata/LTB/MIG_MC_ODATA_SRV/$metadata

If the services are activated / deactivated appropriately then check the following information sources:

• 2536789 - 500 SAP Internal Server Error in Migration Cockpit
• 2784952 - Migrate Your Data app: "500 Internal server error" because of missing authorization (SAP S/4HANA Migration Cockpit)

S/4HANA Migration Cockpit (old) KBA 2988692

LTMC, Migrate Your Data, App ID: F3473, Message E 14 060, FPM application DMC_WDA was started with an invalid or without configuration , KBA , CA-LT-MC , S/4HANA Migration Cockpit , CA-GTF-MIG , SAP S/4HANA Data Migration Cockpit Content , How To