How To Fix BS_SOA_ERR_CAT001 - No message category group assigned to proxy class &1, proxy method &2

SAP Error Message - Details

• Message type: E = Error

• Message class: BS_SOA_ERR_CAT - Messages for Error Categorizer

• Message number: 001

• Message text: No message category group assigned to proxy class &1, proxy method &2

What causes this issue?

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

System Response

The system cannot create an instance object of the class
CL_BSSOA_CATEGORY_CUST. Consequently, the error categorizer cannot
determine the error category of error messages.

How to fix this error?

Execute the Customizing activity <DS:SIMG.CA_SOA_PRXMSGGRP>Assign
Message Category Groups to Services</>.

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 BS_SOA_ERR_CAT001 - No message category group assigned to proxy class &1, proxy method &2 ?

  The SAP error message BS_SOA_ERR_CAT001 indicates that there is no message category group assigned to a specific proxy class and proxy method. This error typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when working with service-oriented architecture (SOA) services.
  Cause:
  The error is caused by the absence of a message category group for the specified proxy class and method. This can happen due to several reasons:
  
  Configuration Issues: The message category group may not have been defined or assigned correctly in the SAP system.
  Missing Customization: If the proxy class or method was generated or modified without the necessary configuration for message categories, this error can occur.
  Transport Issues: If the configuration was transported from one system to another (e.g., from development to production) without the necessary message category group settings, it may lead to this error.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Message Category Group Assignment:
  
  Go to the transaction SOAMANAGER in your SAP system.
  Navigate to the Web Service Configuration section.
  Locate the relevant proxy class and method.
  Ensure that a message category group is assigned to the proxy class and method.
  
  
  
  Assign a Message Category Group:
  
  If no message category group is assigned, you can create a new one or assign an existing one.
  You can do this by going to the Message Categories section in SOAMANAGER and creating or modifying the necessary entries.
  
  
  
  Regenerate Proxy:
  
  If you have made changes to the message category group, you may need to regenerate the proxy classes to ensure that the changes take effect.
  Use the transaction SPROXY to regenerate the proxy.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, verify that all necessary configurations were included in the transport request.
  Ensure that the message category group settings are present in the target system.
  
  
  
  Testing:
  
  After making the necessary changes, test the proxy service to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SOAMANAGER: For managing web services and their configurations.
  SPROXY: For managing and generating proxy objects.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring message categories and proxies in SAP PI/PO.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to resolve the BS_SOA_ERR_CAT001 error and ensure that your proxy classes and methods are correctly configured with the necessary message category groups.