How To Fix BWSD148 - Type &1 does not support a type switch

BWSD148 - Overview

• Message type: E = Error

• Message class: BWSD - Messages for Scenario Transfer

• Message number: 148

• Message text: Type &1 does not support a type switch

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 BWSD148 - Type &1 does not support a type switch ?

  The SAP error message BWSD148, which states "Type &1 does not support a type switch," typically occurs in the context of SAP Business Warehouse (BW) or SAP BusinessObjects when there is an issue with data types during a data transfer or transformation process. This error indicates that the system is trying to perform a type switch (changing the data type of a field) on a data type that does not support such an operation.
  
  Cause:
  
  Incompatible Data Types: The most common cause of this error is that the data type of the source field does not match the expected data type of the target field. For example, trying to switch from a character type to a numeric type without proper conversion.
  Incorrect Mapping: The mapping of fields in the transformation or data flow may be incorrect, leading to an attempt to switch types that are not compatible.
  Data Source Issues: The data source may