How To Fix TT328 - R/2 module is only possible in an R/2 test case (type = R)

SAP Error Message - Details

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 328

• Message text: R/2 module is only possible in an R/2 test case (type = R)

What causes this issue?

R/2 test modules (type R) can not be called in an R/3 test procedure.

System Response

In CATT, you can generally execute several test procedures, which may
run in both R/2 and R/3, in one procedure. Each test procedure
determines the system in which it runs. The attribute 'Type = R'
assigns them to R/2, otherwise to R/3. The modules contained should be
of the same type, although certain exceptions, in which R/3 modules
also run in an R/2 procedure, but not vice versa, are allowed.

How to fix this error?

Check the run sequence, using the correct type flags.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TT328 - R/2 module is only possible in an R/2 test case (type = R) ?

  The SAP error message TT328 indicates that a certain operation or function is being attempted in a context that is not valid for the R/2 module. Specifically, it suggests that the operation is only permissible in an R/2 test case, which is a specific type of test case designated for R/2 systems.
  Cause:
  The error typically arises when:
  
  You are trying to execute a test case or transaction that is intended for R/2 systems in an environment that does not support it (e.g., R/3 or S/4HANA).
  The test case is incorrectly configured or not set up properly to run in the intended environment.
  There may be a mismatch in the system settings or configurations that are leading to this error.
  
  Solution:
  To resolve the TT328 error, consider the following steps:
  
  
  Verify Environment: Ensure that you are working in the correct environment that supports R/2 operations. If you are in an R/3 or S/4HANA environment, you may need to switch to an R/2 environment if you need to run R/2 specific test cases.
  
  
  Check Test Case Configuration: Review the configuration of the test case you are trying to execute. Make sure it is set up correctly for the R/2 module and that all necessary parameters are defined.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly set up and execute R/2 test cases. This may provide insights into any specific requirements or configurations needed.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for assistance. They can provide more detailed troubleshooting based on your specific system configuration and the context of the error.
  
  
  Related Information:
  
  R/2 vs. R/3: R/2 is an older mainframe-based ERP system, while R/3 and S/4HANA are more modern, client-server based systems. Understanding the differences between these systems can help in troubleshooting issues related to compatibility and functionality.
  Testing in SAP: Familiarize yourself with the testing tools and methodologies used in SAP environments, as this can help in identifying and resolving issues related to test cases.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context or solutions.
  
  By following these steps, you should be able to identify the cause of the TT328 error and implement a suitable solution.