How To Fix APPLG234 - GP: Attribute bundle cannot be set at the port more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: APPLG - Application Graphics Messages (Graphic Proxy Framework)

• Message number: 234

• Message text: GP: Attribute bundle cannot be set at the port more than once

What causes this issue?

The attribute bundle can only be set once at the port and either it
already exists or the variant key specified already exists for the port
and the attribute bundle.
The attribute bundle is not added.

How to fix this error?

This is a programming error.
You should inform your system administrator.

Procedure for System Administrators

You should correct the programming of the graphics proxy.
You should make sure that
An attribute bundle that is only permitted once at a port is only set
once using Add_Cu_Bundle
You can find the possible combinations of attribute bundles and ports
in the documentation for the graphics proxy (= class that
offers/implements the interface IF_GRAPHIC_PROXY)
Unambiguous variant keys should be set using Add_Cu_Bundle only for the
port and the attribute bundle category.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message APPLG234 - GP: Attribute bundle cannot be set at the port more than once ?

  The SAP error message APPLG234 indicates that there is an issue with setting an attribute bundle at a port more than once in the context of SAP's graphical programming or configuration tools, such as SAP Business Workflow or SAP Process Integration (PI).
  Cause:
  The error typically arises when:
  
  An attribute bundle is being assigned to a port that has already been assigned an attribute bundle. In SAP, each port can only have one attribute bundle assigned to it at a time.
  There may be a misconfiguration in the workflow or process model where the same attribute bundle is being referenced multiple times for the same port.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Port Configuration: Review the configuration of the port in question. Ensure that the attribute bundle is only being set once. If you find multiple assignments, remove the redundant ones.
  
  
  Review Workflow/Process Model: If you are working with a workflow or process model, check the logic to ensure that the attribute bundle is not being assigned multiple times to the same port. 
  
  
  Debugging: If the error persists, consider using debugging tools available in SAP to trace the execution and identify where the attribute bundle is being set multiple times.
  
  
  Documentation: Refer to SAP documentation or help resources for specific guidelines on attribute bundles and port configurations. This can provide insights into best practices and common pitfalls.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional context.
  
  
  Testing: After making changes, test the configuration to ensure that the error no longer occurs and that the system behaves as expected.
  
  
  Related Information:
  
  SAP Documentation: Look for official SAP documentation related to the specific module you are working with (e.g., SAP PI, SAP Workflow).
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue is complex and cannot be resolved through the above steps, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.