SAP Message UPS156 - Original packet &1 does not exist

Diagnosis
You want to create a correction package. This must always take placewith reference to an existing original package (=unit). The originalpackage &V1& which has been referred to, however, does not exist.

System Response
The correction package cannot be created or changed.

Procedure
Ensure that the correction package is only created with reference to anexisting original package.