How To Fix FDT_CORE878 - Invalid object &1; expression or data object needed

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 878

• Message text: Invalid object &1; expression or data object needed

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 FDT_CORE878 - Invalid object &1; expression or data object needed ?

  The SAP error message FDT_CORE878 indicates that there is an issue with an invalid object in the context of a data object or expression. This error typically arises in the context of SAP's Flexible Data Import (FDI) or Flexible Data Transfer (FDT) framework, which is used for data manipulation and transfer.
  Cause:
  
  Invalid Object Reference: The error usually occurs when the system encounters an object (like a field, variable, or expression) that is not recognized or does not exist in the current context.
  Data Type Mismatch: There may be a mismatch between the expected data type and the actual data type being used in the expression or data object.
  Configuration Issues: Incorrect configuration in the FDT settings or the data model can lead to this error.
  Missing Dependencies: If the object relies on other objects or dependencies that are not available or not properly defined, this error can occur.
  
  Solution:
  
  Check Object Name: Verify that the object name referenced in the expression is correct and exists in the system. Ensure there are no typos or incorrect references.
  Validate Data Types: Ensure that the data types of the objects being used in the expression are compatible. If necessary, convert data types to match the expected types.
  Review Configuration: Go through the FDT configuration settings to ensure that all necessary objects and dependencies are correctly defined and configured.
  Debugging: Use debugging tools to trace the execution and identify where the invalid object is being referenced. This can help pinpoint the exact cause of the error.
  Consult Documentation: Refer to SAP documentation or help resources related to FDT for specific guidelines on object definitions and expressions.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this can sometimes resolve underlying issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to the FDT framework and this specific error message.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed and resolved.
  Training and Documentation: Familiarize yourself with the FDT framework through SAP training materials or official documentation to better understand how to work with data objects and expressions.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.