How To Fix PAK151 - You cannot make package &1 a subpackage of package &2

PAK151 - Overview

• Message type: E = Error

• Message class: PAK - Package API / Package Tools

• Message number: 151

• Message text: You cannot make package &1 a subpackage of package &2

What causes this issue?

Package &V1& cannot become a subpackage of package &V2& since,
conversely, package &V1& already has package &V2& either directly or
indirectly assigned as superpackage.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PAK151 - You cannot make package &1 a subpackage of package &2 ?

  The SAP error message PAK151 indicates that you are trying to make a package a subpackage of another package, but this operation is not allowed due to certain restrictions in the SAP system. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Circular Dependency: The package you are trying to make a subpackage of may already be a subpackage of the package you are trying to create. This creates a circular dependency, which is not allowed.
  Package Hierarchy Restrictions: SAP has specific rules regarding package hierarchies. For example, a package cannot be a subpackage of its own parent or any of its ancestors.
  Transport Layer Issues: If the packages are part of different transport layers or if there are inconsistencies in the transport routes, this can also lead to this error.
  
  
  Solution:
  
  Check Package Hierarchy: Review the current hierarchy of the packages involved. Ensure that the package you are trying to make a