Stop googling SAP errors. Use our Free Essentials plan instead - no credit card needed. Start Now

Close

How To Fix TG677 - Comparison between current release and Release 400 failed


SAP Error Message - Details

  • Message type: E = Error

  • Message class: TG - Messages for Upgrade Repository Switch

  • Message number: 677

  • Message text: Comparison between current release and Release 400 failed

  • 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 TG677 - Comparison between current release and Release 400 failed ?

    The SAP error message TG677, which states "Comparison between current release and Release 400 failed," typically occurs during the upgrade or migration process of an SAP system. This error indicates that there is a mismatch or inconsistency between the current version of the SAP system and the version it is being compared to (in this case, Release 400).

    Causes:

    1. Version Mismatch: The system may be trying to compare data or configurations from an older version (Release 400) with the current version, and there are discrepancies that prevent a successful comparison.
    2. Inconsistent Data: There may be inconsistencies in the data or configurations that were carried over from the older version to the current version.
    3. Upgrade Issues: If the upgrade process was not completed successfully, it could lead to this error.
    4. Missing Objects: Certain objects or components that existed in Release 400 may not be present or have been modified in the current release.

    Solutions:

    1. Check Upgrade Logs: Review the upgrade logs for any errors or warnings that occurred during the upgrade process. This can provide insights into what went wrong.
    2. Consistency Check: Run consistency checks on the system to identify any discrepancies between the current and previous versions. Use transaction codes like SPAU and SPDD to adjust any objects that need to be modified.
    3. Reapply Notes: Ensure that all relevant SAP Notes have been applied to the system. Sometimes, specific notes address known issues related to version upgrades.
    4. Data Migration: If there are data inconsistencies, consider re-migrating the data or correcting the inconsistencies manually.
    5. Consult SAP Support: If the issue persists, it may be necessary to contact SAP Support for assistance. They can provide guidance based on the specific details of your system and the error encountered.

    Related Information:

    • SAP Notes: Check the SAP Support Portal for any specific notes related to error TG677 or the upgrade process you are performing.
    • Documentation: Review the upgrade documentation provided by SAP for the specific version you are upgrading to, as it may contain important information regarding compatibility and known issues.
    • Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.

    By following these steps, you should be able to diagnose and resolve the TG677 error effectively.

    • Do you have any question about this error?


      Upgrade now to chat with this error.


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