How To Fix CDS_UNIT_MESSAGE020 - Cannot create mutiple OSQL test environment instances in same test class


CDS_UNIT_MESSAGE020 - Overview

  • Message type: E = Error

  • Message class: CDS_UNIT_MESSAGE - Message Class

  • Message number: 020

  • Message text: Cannot create mutiple OSQL test environment instances in same test class

  • Show details Hide details


  • 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 CDS_UNIT_MESSAGE020 - Cannot create mutiple OSQL test environment instances in same test class ?
    The SAP error message CDS_UNIT_MESSAGE020 indicates that there is an issue with creating multiple OSQL (Open SQL) test environment instances within the same test class. This typically occurs in the context of ABAP unit tests, particularly when using Core Data Services (CDS) views or when testing database operations.
    
    Cause: The error arises because the ABAP unit testing framework does not allow multiple instances of the OSQL test environment to be created within a single test class. This restriction is in place to ensure that the test environment remains consistent and that tests do not interfere with each other. When you attempt to create more than one instance, the framework raises this error.
    Solution: To resolve this issue, you can take the following steps: Single Instance per Test Class: Ensure that you are only creating one instance of the OSQL test environment in each test class. If you need to run multiple tests that require different

    Already have an account? Login here!




Instant HelpGet instant SAP help. Sign up for our Free Essentials Plan.


Related SAP Error Messages

Click the links below to see the following related messages:

Click on this link to search all SAP messages.


Rating
ERPlingo's SAP support assistant is amazing. Saves me countless hours trying to solve complex SAP issues myself. It's a real game changer!
Rate 1
Thomas Michael
SAP Consultant, Author & Speaker