Solution : https://service.sap.com/sap/support/notes/1649319 (SAP Service marketplace login required)
Summary :
When using DMIS packages like SAP LT or TDMS and attempting to execute an activity through the Webdynpro process tree, users may encounter the error 'Step cannot be started: Message E CNV_MBT 850 cannot be processed in plugin mode HTTPS'. This error occurs because the system fails to pass the authorization failure message, indicating 'User &1 does not have required authority', to the Webdynpro interface. To resolve this issue, users should adjust the authorization settings as per the installation guide or apply the correction provided in this SAP note, which ensures that the relevant error message is displayed correctly in the Webdynpro process tree.
Key words :
webdynpro process tree, plugin mode https', dmis package, message 'step, required authority, solution extend, installation guide, correction attached, control system, error message
Related Notes :
1654044 | SAP DMIS 2011: Release and information note |