How To Fix FDT_CORE021 - Type not supported; not element, structure or table type

FDT_CORE021 - Overview

• Message type: E = Error

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

• Message number: 021

• Message text: Type not supported; not element, structure or table type

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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FDT_CORE021 - Details

• The SAP error message FDT_CORE021: Type not supported; not element, structure or table type typically occurs in the context of SAP's Field Data Tool (FDT) or when working with data types in ABAP or other SAP-related development environments. This error indicates that the system encountered a data type that it does not recognize or support in the context where it is being used.
  Causes:
  
  Unsupported Data Type: The data type being referenced is not one of the supported types (element, structure, or table).
  Incorrect Mapping: There may be an issue with how data types are mapped in the FDT or in the ABAP code.
  
  Configuration Issues: The configuration of the FDT or the data model may not be set up correctly, leading to unsupported types being referenced.
  Version Compatibility: The version of the FDT or the underlying SAP system may not support certain data types that are being used.
  
  Solutions:
  
  Check Data Types: Review the data types