How To Fix PAK130 - Package interface &1 has no main package

SAP Error Message - Details

• Message type: E = Error

• Message class: PAK - Package API / Package Tools

• Message number: 130

• Message text: Package interface &1 has no main package

What causes this issue?

Either the client package is stored in a different main package than the
package interface, or the client package is a main package.
In both cases, you can only create use accesses to the package
interfaces of another main package.

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 PAK130 - Package interface &1 has no main package ?

  The SAP error message PAK130 indicates that there is an issue with the package interface in the SAP system. Specifically, it means that the package interface you are trying to work with does not have a main package associated with it. This can occur in various scenarios, such as when you are trying to create or modify a package or when you are working with transport requests.
  Cause:
  
  Missing Main Package: The package interface you are trying to use does not have a main package defined. In SAP, a package interface must be linked to a main package to function correctly.
  Incorrect Configuration: There may be a misconfiguration in the package settings or the transport layer.
  Development Environment Issues: If you are working in a development environment, there may be inconsistencies or issues with the package structure.
  
  Solution:
  
  
  Check Package Configuration:
  
  Go to the transaction code SE80 (Object Navigator) or SE21 (Package Builder).
  Locate the package interface that is causing the error.
  Ensure that it is linked to a valid main package. If it is not, you may need to create a main package or link it to an existing one.
  
  
  
  Create a Main Package:
  
  If there is no main package, you can create one by using transaction SE21.
  Define the main package and ensure that it is properly configured.
  
  
  
  Transport Request:
  
  If you are working with transport requests, ensure that the transport layer is correctly set up and that the package interface is included in the transport request.
  
  
  
  Check Authorization:
  
  Ensure that you have the necessary authorizations to create or modify packages and package interfaces.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on package interfaces and their configurations.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE21 (Package Builder), SE03 (Transport Organizer), SE09 (Transport Organizer - Workbench Requests).
  SAP Notes: Check SAP Notes for any known issues or patches related to package interfaces and transport management.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other SAP users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.