How To Fix /SMB/SBA1066 - Test Data Container "&1", Parameter "&2" is already assigned to type "&3"

/SMB/SBA1066 - Overview

• Message type: E = Error

• Message class: /SMB/SBA1 -

• Message number: 066

• Message text: Test Data Container "&1", Parameter "&2" is already assigned to type "&3"

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/SBA1066 - Test Data Container "&1", Parameter "&2" is already assigned to type "&3" ?

  The SAP error message /SMB/SBA1066 indicates that there is an issue with the assignment of a test data container (TDC) parameter in the SAP system. Specifically, it means that the test data container identified by &1 has a parameter &2 that is already assigned to a specific type &3. This typically occurs in the context of SAP Business Application Studio or when working with test data management tools.
  Cause
  The error can occur due to several reasons:
  
  Duplicate Assignment: The parameter you are trying to assign to the test data container is already assigned to another type or is already in use within the same context.
  
  Configuration Issues: There may be misconfigurations in the test data container setup or in the parameters being used.
  Data Integrity: The system may have integrity constraints that prevent the same parameter from being assigned to multiple types.
  
  Solution
  To resolve this error, you can take the following steps:
  
  
  Check Assignments: Review the