No invoice receipt is possible for &1 &2

What causes this issue?

For &V1& &V2& no invoice receipt is possible.

System Response

For the settlement of &V1& &V2& the system generated an internal
purchasing document. No invoices can be posted to this purchasing
document. The purchasing document may be locked.

How to fix this error?

Contact your system administrator.

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.