How To Fix DMC_RT_MSG526 - Invalid field reference: Addition of field failed for struct &1 and BO &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 526

• Message text: Invalid field reference: Addition of field failed for struct &1 and BO &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.

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 DMC_RT_MSG526 - Invalid field reference: Addition of field failed for struct &1 and BO &2 ?

  The SAP error message DMC_RT_MSG526, which states "Invalid field reference: Addition of field failed for struct &1 and BO &2," typically occurs in the context of Data Migration Cockpit (DMC) or when working with Business Objects (BO) in SAP. This error indicates that there is an issue with the field reference in a structure or business object during a data migration or transformation process.
  
  Cause:
  
  Invalid Field Reference: The field you are trying to reference does not exist in the specified structure or business object. This could be due to a typo, a field that has been removed, or a mismatch in the data model.
  Data Model Changes: If there have been recent changes to the data model (e.g., fields added, removed, or renamed), the migration process may be referencing outdated field definitions.
  
  Configuration Issues: Incorrect configuration in the Data Migration Cockpit or the mapping of fields between source and target systems can lead