/BOBF/FRW_CONTRACT021 - Source node, key, or association missing when creating non-root instance

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/FRW_CONTRACT -

• Message number: 021

• Message text: Source node, key, or association missing when creating non-root instance

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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AnswerBot

• What is the cause and solution for SAP error message /BOBF/FRW_CONTRACT021 - Source node, key, or association missing when creating non-root instance ?

  The SAP error message /BOBF/FRW_CONTRACT021 indicates that there is a missing source node, key, or association when trying to create a non-root instance in the Business Object Processing Framework (BOPF). This typically occurs when the system expects certain data to be present in the context of the operation you are trying to perform, but it cannot find it.
  Causes:
  
  Missing Key Fields: The key fields required to create the non-root instance are not provided or are incorrect.
  Incorrect Associations: The associations defined in the BOPF model may not be correctly set up, leading to the inability to link the non-root instance to its parent.
  Data Context Issues: The context in which you are trying to create the instance may not have the necessary data loaded or may not be correctly initialized.
  Authorization Issues: Sometimes, authorization problems can prevent the system from accessing the necessary data.
  
  Solutions:
  
  Check Key Fields: Ensure that all required key fields for the non-root instance are being passed correctly. Verify that the keys match the expected values in the database.
  Review Associations: Check the BOPF model to ensure that the associations between the root and non-root instances are correctly defined. Make sure that the parent instance exists and is correctly referenced.
  Initialize Context: Make sure that the context in which you are trying to create the instance is properly initialized and contains all necessary data.
  Debugging: Use debugging tools to trace the execution and identify where the missing data is expected. This can help pinpoint the exact cause of the error.
  Authorization Check: Verify that the user has the necessary authorizations to access the data and perform the operation.
  
  Related Information:
  
  BOPF Documentation: Review the official SAP documentation on BOPF to understand the structure and requirements for creating instances.
  Transaction Codes: Use transaction codes like /BOBF/CONF to check the configuration of the BOPF model and ensure that everything is set up correctly.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error message.
  Community Forums: Engage with SAP community forums or support channels to see if others have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.