Hello Helen,both the note and the system error message that you receive point out that you can execute the renumbering app only in a development system (in case your S/4 landscape is a 3 system landscape) or in the Q system (in case you are working i...
Without any additional information, it is almost impossible to give some guidance. Where do you enter the tax code? Are you trying to define a new tax code in the tax configuration UI? If yes, could it be that indeed the tax code already exists in yo...
