https://userapps.support.sap.com/sap/support/knowledge/en/3804786
3804786 - SS REMUN: Common Errors During SS REMUN Communication via B2A Framework | SAP Knowledge...
After implementing the solution introduced in SAP note 3791712 - SS REMUN: B2A framework to allow communication to Social Security , and attempting to send the...
common errorsremuncommunicationviaframework