Solution VXDIAG Multi Tool RunCommand Error?

Here is the working solution to vxdiag multi tool (with serial number V71XN**** ) "RunCommand Error" after adding DoIP license to the scanner.

* JLR Pathfinder, Porsche PIWIS3, Benz or BMW DoIP license can be added to V71XN**** vcx plus scanner now.

Solution:

The error was caused by low firmware version.

First run the firmware VCI patch 

https://mega.nz/file/XUwCQSYT#vOUDZlpntsuAidMT2sjsXhM0Qs8y6aGa2JLd2zZrSSw

Then update firmware in VX manager. It works no problem.