How To Fix /PF1/MSG_BC121 - Technical error while connecting to Business Partner System

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_BC -

• Message number: 121

• Message text: Technical error while connecting to Business Partner System

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_BC121 - Technical error while connecting to Business Partner System ?

  The SAP error message /PF1/MSG_BC121 typically indicates a technical error encountered while trying to connect to the Business Partner (BP) system. This error can arise due to various reasons, including configuration issues, connectivity problems, or data inconsistencies.
  Possible Causes:
  
  Configuration Issues: Incorrect settings in the Business Partner configuration or in the middleware that connects to the BP system.
  Network Connectivity: Issues with network connectivity between the SAP system and the Business Partner system.
  Authorization Problems: Insufficient authorizations for the user trying to access the Business Partner system.
  Data Inconsistencies: Missing or inconsistent data in the Business Partner records.
  System Performance: High load on the system or performance issues that prevent successful connections.
  Service Availability: The Business Partner service might be down or not properly configured.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the Business Partner system in SAP. Ensure that all necessary parameters are correctly set.
  Network Troubleshooting: Verify network connectivity between the SAP system and the Business Partner system. Use tools like ping or traceroute to check connectivity.
  User Authorizations: Ensure that the user has the necessary authorizations to access the Business Partner system. Check roles and permissions.
  Data Validation: Validate the data in the Business Partner records to ensure there are no inconsistencies or missing information.
  Monitor System Performance: Check the performance of the SAP system and the Business Partner system. Look for any bottlenecks or high resource usage.
  Service Status: Confirm that the Business Partner service is up and running. If it is down, work with the relevant technical team to resolve the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Use transaction codes like BP (Business Partner) to manage and troubleshoot Business Partner data.
  Logs and Traces: Review system logs and traces for more detailed error messages that can provide additional context for the issue.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the /PF1/MSG_BC121 error in your SAP system.