How To Fix DT172 - Field &: & is not a basis type for streams and locators

DT172 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 172

• Message text: Field &: & is not a basis type for streams and locators

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 DT172 - Field &: & is not a basis type for streams and locators ?

  The SAP error message DT172 indicates that there is an issue with the data type being used in a context where a stream or locator is expected. This typically occurs in the context of database operations, particularly when dealing with large objects (LOBs) such as BLOBs (Binary Large Objects) or CLOBs (Character Large Objects).
  
  Cause:
  The error message "Field &: & is not a basis type for streams and locators" usually arises due to one of the following reasons:
  
  
  Incorrect Data Type: The field being referenced is not of a type that can be used as a stream or locator. For example, if you are trying to use a standard data type (like CHAR or INT) instead of a LOB type (like BLOB or CLOB), this error will occur.
  
  
  Database Schema Issues: There may be a mismatch between the expected data types in the database schema and the types defined in your ABAP program