How To Fix PAK181 - Package interface &1 is not visible; see long text

PAK181 - Overview

• Message type: E = Error

• Message class: PAK - Package API / Package Tools

• Message number: 181

• Message text: Package interface &1 is not visible; see long text

What causes this issue?

The package interface &V1& (either a virtual standard package interface
of a structure package or a package interface of a main or development
package of the first non-structure package level) is not visible in the
entire package hierarchy &V2& because
either the root package &V3& of the provider package hierarchy does not
supply any filter package interface or
the root package &V4& client package hierarcy does not have any use
access entered for this filter package interface.

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

A virtual standard package interface or a package interface of a main or
development package of the first non-structure package is not visible
for other package hierarchies if
the root package of the provider package level provides a filter package
interface and
the root package (and only this) of the client package hierarchy has a
use access entered for this filter package interface.

System Response

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 PAK181 - Package interface &1 is not visible; see long text ?

  The SAP error message PAK181 indicates that a package interface is not visible in the current context. This typically occurs when you are trying to access or use a package interface that is either not properly defined, not activated, or not visible due to authorization or scope issues.
  
  Cause:
  
  Package Visibility: The package interface you are trying to access may not be visible in the current package or context. This can happen if the interface is defined in a different package that is not included in the current package's visibility.
  Authorization Issues: The user may not have the necessary authorizations to access the package or its interfaces.
  Activation Issues: The package or its components may not be activated properly in the system.
  Transport Issues: If the package was recently transported from another system, it may not have been fully activated or may have dependencies that are not met.
  
  
  Solution:
  
  
  Check Package Visibility:
  
  Ensure that the package interface is