Dimension &1 has no document type for external reported financial data

What causes this issue?

In the &V1& dimension, there is no document type for reported financial
data (that is, on posting level zero) with <LS>External Reported
Financial Data</> business application.
To load external reported financial data, the system requires a separate
document type with posting level zero and <LS>External Reported
Financial Data</> business application so that it can post reported
financial data to be loaded as individual line items.

System Response

The system terminates the loading of reported financial data with an
error message.

How to fix this error?

Define <ZH>one</> document type on posting level zero with <LS>External
Reported Financial Data</> business application.

Procedure for System Administrators

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.