Document data only exists for FI payments

What causes this issue?

The selected entry is not an FI payment run. However, payment document
information is not saved for proposal runs and for payment runs which
are not FI payment runs.

System Response

The selected function was not carried out.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.