How To Fix BKK_PO_PROXY_MSG020 - Internal error when calling up method &1 in method &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: BKK_PO_PROXY_MSG - Message Class for Payment Order Proxy

• Message number: 020

• Message text: Internal error when calling up method &1 in method &2.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BKK_PO_PROXY_MSG020 - Internal error when calling up method &1 in method &2. ?

  The SAP error message BKK_PO_PROXY_MSG020 indicates an internal error that occurs when calling a method in a proxy object. This error typically arises in the context of SAP's Business Communication Services (BCS) or when dealing with proxy objects in the SAP system.
  Cause:
  
  Configuration Issues: There may be misconfigurations in the proxy settings or in the service definitions.
  Authorization Problems: The user or service account may lack the necessary authorizations to execute the method.
  Data Issues: The data being processed may be invalid or not conforming to the expected format.
  System Bugs: There could be bugs in the SAP system or in the specific version of the software you are using.
  Network Issues: If the proxy is trying to communicate with an external system, network issues could lead to this error.
  
  Solution:
  
  Check Configuration: Review the configuration of the proxy and ensure that all settings are correct. This includes checking the service definitions and ensuring that they are properly activated.
  Review Authorizations: Ensure that the user or service account has the necessary authorizations to call the method. You can use transaction codes like SU53 to analyze authorization issues.
  Validate Input Data: Check the data being passed to the method. Ensure that it meets the expected format and constraints.
  Debugging: If you have access to the development environment, you can debug the method to identify the exact point of failure. Use transaction SE80 or SE37 to analyze the method implementation.
  Check SAP Notes: Look for any relevant SAP Notes that might address this specific error. SAP frequently releases patches and updates that may resolve known issues.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error details and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SLG1 (Application Log) to check for logs related to the error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for the specific module or functionality you are working with, as it may provide insights into common issues and their resolutions.
  
  By following these steps, you should be able to diagnose and potentially resolve the BKK_PO_PROXY_MSG020 error in your SAP system.