How To Fix RS2HANA_VIEW131 - External SAP HANA view: Lookup type of element '&1' is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: RS2HANA_VIEW - HANA Views for BW Objects

• Message number: 131

• Message text: External SAP HANA view: Lookup type of element '&1' is not supported

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 RS2HANA_VIEW131 - External SAP HANA view: Lookup type of element '&1' is not supported ?

  The SAP error message RS2HANA_VIEW131 indicates that there is an issue with the definition of an external SAP HANA view, specifically related to the lookup type of an element that is not supported. This error typically arises when trying to create or activate a HANA view that includes elements or structures that are incompatible with the expected definitions or types.
  Cause:
  
  
  Unsupported Lookup Type: The error suggests that the lookup type of the specified element (denoted by &1) is not supported in the context of the HANA view. This could be due to:
  
  Using a lookup type that is not recognized by the HANA database.
  The element may be defined in a way that is incompatible with HANA's expectations for data types or structures.
  
  
  
  Data Model Issues: There may be issues in the underlying data model, such as:
  
  Incorrectly defined relationships between tables.
  Use of unsupported data types or structures in the view definition.
  
  
  
  Version Compatibility: The version of SAP HANA or the tools being used may not support certain features or types that are being referenced in the view.
  
  
  Solution:
  
  
  Check Element Definition: Review the definition of the element that is causing the error. Ensure that it uses a supported lookup type and is compatible with HANA views.
  
  
  Modify Data Types: If the element uses a data type that is not supported, consider changing it to a compatible type. Refer to the SAP HANA documentation for a list of supported data types.
  
  
  Review Relationships: Ensure that all relationships and joins in the view are correctly defined and that they adhere to HANA's requirements.
  
  
  Update HANA Studio/Tools: Ensure that you are using the latest version of SAP HANA Studio or the relevant tools. Sometimes, upgrading can resolve compatibility issues.
  
  
  Consult Documentation: Refer to the SAP Help Portal or the specific documentation for your version of SAP HANA for more details on supported features and types.
  
  
  Testing: After making changes, test the view again to see if the error persists. If it does, further investigation into the specific element and its context may be necessary.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  HANA Documentation: Review the official SAP HANA documentation for best practices in creating and managing views, including supported data types and structures.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.