How To Fix UPS302 - Only original packets allowed; original of correction packet selected

SAP Error Message - Details

• Message type: E = Error

• Message class: UPS - ALE Distribution Packet

• Message number: 302

• Message text: Only original packets allowed; original of correction packet selected

What causes this issue?

You have tried to identify a distribution unit via a correction package
contained in this unit.
A distribution unit is determined by the name, owner, partner and
direction of the unit's original package. Unit can only be identified
by these key fields.

System Response

The system determines the name of the distribution unit that contains
the chosen correction package automatically.

How to fix this error?

Accept the entries in the fields proposed for identification and call
the transaction.
You can then check the correction package in question in the
distribution unit.

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.