Message type: E = Error
Message class:  9J1UFDI - Messages for Ukraine E-Invoices 
Message number: 125
Message text: You can process only Tax Invoices and Corr. Tax Invoices reg. with ERPN.
You tried to create a Correction Tax Invoice for a Tax Invoice or
Correction Tax Invoice that has not been registered with ERPN yet.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
If a Tax Invoice or Correction Tax Invoice has not been registered with
ERPN yet, change the partner's data and re-generate the XML-based file
to correct its header attributes.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message 9J1UFDI125 indicates that the system is restricting the processing of certain types of invoices, specifically stating that only Tax Invoices and Corrective Tax Invoices can be processed in relation to the ERPN (Electronic Reporting for Tax Invoices).
Cause: This error typically arises due to one of the following reasons: Invoice Type: The invoice you are trying to process is not classified as a Tax Invoice or a Corrective Tax Invoice. SAP has specific classifications for invoices, and only certain types are allowed for processing in the context of ERPN.
Configuration Issues: There may be configuration settings in the SAP system that restrict the types of invoices that can be processed. Data Entry Errors: There could be an error in the data entry where the invoice type is incorrectly specified or not aligned with the expected formats.
Solution: To resolve this error, you can take the following steps: Check Invoice Type: Verify the type of invoice
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