How To Fix DHANA_CDS_MODEL003 - Cast type &1 is not a native HANA type.

SAP Error Message - Details

• Message type: E = Error

• Message class: DHANA_CDS_MODEL - Message Class for CDS Analyzer Model

• Message number: 003

• Message text: Cast type &1 is not a native HANA 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.

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 DHANA_CDS_MODEL003 - Cast type &1 is not a native HANA type. ?

  The SAP error message DHANA_CDS_MODEL003 indicates that there is an issue with the data type being used in a Core Data Services (CDS) view or model. Specifically, the error states that the cast type specified (denoted as &1 in the message) is not a native HANA type. This typically occurs when you are trying to use a data type that is not recognized or supported by SAP HANA.
  Cause:
  
  Non-Native Data Type: The data type you are trying to use in your CDS view is not a type that SAP HANA supports. This can happen if you are using a type from another database or an unsupported custom type.
  Incorrect Casting: If you are attempting to cast a field to a type that is not compatible with the underlying data type, this error can occur.
  Incompatible Data Model: The data model may be referencing types that are not defined or are incompatible with HANA.
  
  Solution:
  
  Check Data Types: Review the data types used in your CDS view. Ensure that all types are native HANA types. Common native types include VARCHAR, INTEGER, DECIMAL, DATE, etc.
  Modify the CDS View: If you find any non-native types, modify the CDS view to use compatible types. You may need to change the data type in the underlying table or view as well.
  Remove or Correct Casting: If you are using a cast operation, ensure that you are casting to a valid native HANA type. Remove any unnecessary casts or correct them to use supported types.
  Check for Custom Types: If you are using custom types, ensure that they are defined correctly and are compatible with HANA.
  Refer to Documentation: Consult the SAP HANA documentation for a list of supported data types and ensure that your model adheres to these standards.
  
  Related Information:
  
  SAP HANA Data Types: Familiarize yourself with the list of supported data types in SAP HANA. This can be found in the official SAP documentation.
  CDS View Documentation: Review the documentation on creating and managing CDS views to understand the best practices and requirements.
  SAP Notes and Community: Check SAP Notes for any known issues related to this error message and search the SAP Community for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to resolve the DHANA_CDS_MODEL003 error and ensure that your CDS view is using compatible data types.