Potential ESP deductions/external orders. See long text

What causes this issue?

There is no delivery that corresponds uniquely to the transferred data.

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

There are, however, external service provider deductions that could be
considered as potential candidates.
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System Response

IDOC processing is terminated.

How to fix this error?

Analyze the corresponding external service provider deductions.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.