After an SAP System upgrade, your Web Dynpro (WD) Applications, ITS services, or any call to the HTTP services (SICF), fail with "500 Internal Server Error".
SAP Netweaver 7.0 and above.
500, Internal server error, SGEN, MISMATCH, LOAD_PROGRAM_CLASS_MISMATCH, LOAD_TYPE_VERSION_MISMATCH, LOAD_PROGRAM_INTF_MISMATCH, TYPELOAD_NEW_VERSION, LOAD_CLASS_VERSION_MISMATCH, Regenerate, load, loads, ITS, WD, Web Dynpro, SICF , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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