The German government decided to lower the VAT between 01. July – 31. December 2020 due to the COVID-19 situation. Therefore the ELSTER portal for the electronic VAT reports upload was changed and SAP needed to adjust the ELSTER Add On accordingly.
You cannot send a UVA (Umsatzsteuervoranmeldung) through the ELSTER add-on to the tax authorities in Germany. After you select the option Send Data, an error occurs with the following message stating that the acceptance server has reported an error.
Please follow SAP Note published here:
Alternatively, you can also follow up the guidelines from the SAP note reported below: