How To Fix RSRTS_CDS030 - Standard functions/cast functions not supported (at &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRTS_CDS - Messages Transient CDS Queries

• Message number: 030

• Message text: Standard functions/cast functions not supported (at &1)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSRTS_CDS030 - Standard functions/cast functions not supported (at &1) ?

  The SAP error message RSRTS_CDS030 indicates that there is an issue with the use of standard functions or cast functions in a Core Data Services (CDS) view or query. This error typically arises when you attempt to use certain SQL functions or operations that are not supported in the context of the CDS view.
  Cause:
  
  Unsupported Functions: The error occurs when you try to use standard SQL functions (like CAST, CONVERT, etc.) that are not supported in the context of the CDS view.
  Incompatible Data Types: If you are trying to perform operations on incompatible data types, it can lead to this error.
  Incorrect Syntax: There may be a syntax error in the CDS view definition that leads to the use of unsupported functions.
  
  Solution:
  
  Review the CDS View: Check the definition of the CDS view for any unsupported functions or operations. Remove or replace them with supported alternatives.
  Use Compatible Data Types: Ensure that the data types you are working with are compatible. If you need to convert data types, consider using supported methods or functions.
  Check Documentation: Refer to the SAP documentation for the specific version you are using to understand which functions are supported in CDS views.
  Simplify the Query: If possible, simplify the query to avoid complex operations that may not be supported.
  Debugging: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to analyze the CDS view and identify the problematic areas.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on supported functions in CDS views.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  CDS View Documentation: Familiarize yourself with the latest CDS view documentation to understand the capabilities and limitations of CDS in your SAP environment.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.