How To Fix RSDHA238 - Required data type conversion for target field '&1' not supported

RSDHA238 - Overview

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 238

• Message text: Required data type conversion for target field '&1' 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA238 - Required data type conversion for target field '&1' not supported ?

  The SAP error message RSDHA238 indicates that there is a required data type conversion for a target field that is not supported. This typically occurs in the context of data extraction or transformation processes, particularly when working with SAP BW (Business Warehouse) or SAP HANA.
  
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Incompatible Data Types: The source field's data type does not match the target field's data type in the InfoObject or DataStore Object (DSO). For example, trying to map a character field to a numeric field without proper conversion.
  
  
  Unsupported Conversions: The specific conversion required between the source and target fields is not supported by SAP. This can happen if the data types are fundamentally different (e.g., trying to convert a string to a date).
  
  
  Modeling Issues: There may be issues in the data model, such as incorrect field mappings or transformations that do not handle the data types