How To Fix FDT_CORE035 - Expression type &1 cannot be used to create expressions, no class defined

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 035

• Message text: Expression type &1 cannot be used to create expressions, no class defined

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE035 - Expression type &1 cannot be used to create expressions, no class defined ?

  The SAP error message FDT_CORE035 indicates that there is an issue with the expression type being used in a formula or expression within the SAP system. Specifically, the error states that the expression type cannot be used to create expressions because no class is defined for it. This typically occurs in the context of SAP's Flexible Data Import (FDI) or similar functionalities where expressions are defined for data processing.
  Cause:
  
  Undefined Expression Type: The expression type you are trying to use has not been defined in the system. This could be due to a missing configuration or a custom expression type that has not been properly set up.
  Incorrect Configuration: There may be a misconfiguration in the data model or the expression definitions that leads to the system not recognizing the expression type.
  Version Compatibility: If you are using a custom or third-party solution, it may not be compatible with the current version of SAP you are using.
  
  Solution:
  
  
  Check Expression Type Definition:
  
  Go to the relevant configuration area in SAP where expression types are defined.
  Ensure that the expression type you are trying to use is properly defined and active.
  
  
  
  Review Custom Code:
  
  If you are using custom expressions, review the code to ensure that the expression type is correctly implemented and that all necessary classes are defined.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on how to define and use expression types correctly.
  
  
  
  Update or Patch:
  
  If the issue is related to a version compatibility problem, check for any available updates or patches for your SAP system that may resolve the issue.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with details about the error, the context in which it occurs, and any relevant configuration settings.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the FDT_CORE035 error. SAP Notes often provide specific fixes or workarounds.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same problem and can offer insights.
  Training and Documentation: If you are new to working with expressions in SAP, consider undergoing training or reviewing documentation related to the Flexible Data Import and expression handling.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.