How To Fix PAK113 - Cannot change type of package interface &1

SAP Error Message - Details

• Message type: E = Error

• Message class: PAK - Package API / Package Tools

• Message number: 113

• Message text: Cannot change type of package interface &1

What causes this issue?

The package interface already contains development elements whose object
type does not match the package interface type; for example, if
descriptive package interface elements already exist, the type of
package interface cannot be changed to "Package contains only functional
objects" (and vice versa).

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?

Package interface elements with an unsuitable object type must be
included in other suitalbe package interfaces of the same package.

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 PAK113 - Cannot change type of package interface &1 ?

  The SAP error message PAK113, which states "Cannot change type of package interface &1," typically occurs when there is an attempt to modify the type of a package interface that is already defined in the system. This can happen in various scenarios, such as when you are trying to change the interface type from a public to a private interface or vice versa.
  Cause:
  
  Existing Dependencies: The package interface is already being used by other objects (like classes, function modules, etc.) in the system. Changing the type of the interface could break these dependencies.
  Incorrect Permissions: The user may not have the necessary permissions to make changes to the package interface.
  System Restrictions: SAP has certain restrictions in place to maintain the integrity of the package and its interfaces.
  
  Solution:
  
  Check Dependencies: Before attempting to change the type of the package interface, check for any existing dependencies. You can use transaction SE80 or SE11 to analyze where the interface is being used.
  Remove Dependencies: If possible, remove or modify the dependent objects that are using the package interface. This may involve changing the code in those objects to no longer reference the interface.
  Create a New Interface: If changing the type is not feasible due to dependencies, consider creating a new package interface with the desired type and updating the dependent objects to use the new interface.
  Permissions: Ensure that you have the necessary authorizations to make changes to the package interface. If not, contact your SAP administrator to obtain the required permissions.
  Consult Documentation: Review SAP documentation or notes related to package interfaces for any specific guidelines or restrictions that may apply.
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) or SE11 (Data Dictionary) to view and manage package interfaces.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  Version Control: If you are using a version control system, ensure that you are working on the correct version of the package and its interfaces.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.