How To Fix CFBGRFC102 - Error occurred when determining unit ID

SAP Error Message - Details

• Message type: E = Error

• Message class: CFBGRFC - Messages for Data Transfer Using bgRFC API

• Message number: 102

• Message text: Error occurred when determining unit ID

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFBGRFC102 - Error occurred when determining unit ID ?

  The SAP error message CFBGRFC102, which states "Error occurred when determining unit ID," typically occurs in the context of using the Central Finance (CFIN) functionality in SAP. This error can arise due to various reasons related to configuration, data inconsistencies, or system settings. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Configuration Issues: The system may not be properly configured for Central Finance, leading to issues in determining the unit ID.
  Master Data Inconsistencies: There may be inconsistencies in the master data (e.g., vendor, customer, or material master) that prevent the system from identifying the correct unit ID.
  RFC Connection Problems: Issues with the Remote Function Call (RFC) connections between the source system and the Central Finance system can lead to this error.
  Missing or Incorrect Mapping: If the mapping between the source system and the Central Finance system is not set up correctly, it can cause errors in data transfer.
  Authorization Issues: Lack of proper authorizations for the user or system trying to execute the transaction can also lead to this error.
  
  Solutions:
  
  Check Configuration: Review the Central Finance configuration settings to ensure that all necessary parameters are correctly set up. This includes checking the settings for the unit ID determination.
  Validate Master Data: Ensure that all relevant master data is consistent and correctly maintained in both the source and Central Finance systems. Look for any missing or incorrect entries.
  Review RFC Connections: Check the RFC connections between the systems to ensure they are functioning correctly. Test the connections and resolve any issues that may arise.
  Mapping Verification: Verify that the mapping between the source and Central Finance systems is correctly defined. Make sure that all necessary mappings are in place and functioning.
  Check Authorizations: Ensure that the user or system executing the transaction has the necessary authorizations to perform the required actions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CFIN for Central Finance configuration and SM59 for managing RFC connections.
  Logs and Traces: Review system logs and traces (e.g., using transaction SLG1 for application logs) to gather more information about the error and its context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or functional team for further investigation and support.