How To Fix ABAP_TESTDOUBLE026 - &4 Illegal config call. Previous configuration not complete

SAP Error Message - Details

• Message type: E = Error

• Message class: ABAP_TESTDOUBLE -

• Message number: 026

• Message text: &4 Illegal config call. Previous configuration not complete

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ABAP_TESTDOUBLE026 - &4 Illegal config call. Previous configuration not complete ?

  The SAP error message ABAP_TESTDOUBLE026 with the description "Illegal config call. Previous configuration not complete" typically occurs in the context of ABAP programs that utilize configuration management, particularly when dealing with test doubles or mock objects in unit tests.
  Cause:
  This error usually arises when there is an attempt to call a configuration method or function that is not properly initialized or completed. It can happen due to several reasons:
  
  Incomplete Configuration: The previous configuration step was not completed successfully, leading to an incomplete state.
  Incorrect Sequence of Calls: The order of method calls may not be correct, causing the system to expect a previous configuration to be completed before proceeding.
  Test Double Issues: If you are using test doubles (mocks or stubs) in your unit tests, there may be an issue with how they are set up or invoked.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Configuration Steps: Ensure that all necessary configuration steps are completed before making the call that triggers the error. Review the sequence of method calls in your code.
  
  
  Review Test Setup: If this error occurs during unit testing, verify that your test doubles are correctly set up. Ensure that any required initialization or configuration is done before the test runs.
  
  
  Debugging: Use debugging tools to step through the code and identify where the configuration is failing. Look for any exceptions or errors that may indicate why the configuration is incomplete.
  
  
  Consult Documentation: Review the relevant SAP documentation or notes related to the specific ABAP classes or methods you are using. There may be specific requirements or constraints that need to be followed.
  
  
  Error Handling: Implement error handling to catch and log any issues that occur during the configuration process. This can help you identify the root cause more easily.
  
  
  SAP Notes: Check the SAP Support Portal for any notes or updates related to this error message. There may be patches or updates that address known issues.
  
  
  Related Information:
  
  ABAP Unit Testing: Familiarize yourself with the principles of ABAP unit testing, especially if you are working with test doubles. Understanding how to properly configure and use mocks can help prevent this error.
  SAP Community: Engage with the SAP Community forums to see if other developers have encountered similar issues and what solutions they found effective.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on ABAP programming and configuration management.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.