How To Fix HTA_HDI_WSM304 - Source data used for transformation has an invalid type

HTA_HDI_WSM304 - Overview

• Message type: E = Error

• Message class: HTA_HDI_WSM - Messages for Workspace Management

• Message number: 304

• Message text: Source data used for transformation has an invalid type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HTA_HDI_WSM304 - Source data used for transformation has an invalid type ?

  The SAP error message HTA_HDI_WSM304 indicates that there is an issue with the data type of the source data being used in a transformation process within the SAP HANA Data Intelligence (HDI) environment. This error typically arises when the data type of the source data does not match the expected data type for the transformation operation.
  
  Cause:
  
  Data Type Mismatch: The source data being used in the transformation may have a data type that is incompatible with the expected data type. For example, trying to perform mathematical operations on string data types or using a date function on a non-date type.
  Schema Changes: If there have been recent changes to the schema of the source data (e.g., changing a column type), and the transformation logic has not been updated accordingly, this can lead to this error.
  Incorrect Mapping: In cases where data is being mapped from one structure to another, if the mapping does