How To Fix TG851 - & inconsistencies; & are exceptions and & are errors

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 851

• Message text: & inconsistencies; & are exceptions and & are errors

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 TG851 - & inconsistencies; & are exceptions and & are errors ?

  The SAP error message TG851 typically indicates that there are inconsistencies in the data or configuration within the SAP system. This error can arise in various contexts, such as during data processing, reporting, or when executing specific transactions. Here’s a breakdown of the cause, potential solutions, and related information regarding this error:
  Cause of TG851 Error
  
  Data Inconsistencies: The error often arises due to inconsistencies in master data, transactional data, or configuration settings. This could be due to incomplete data entries, missing links between related data, or discrepancies in the data model.
  Configuration Issues: Incorrect or incomplete configuration settings in the SAP system can lead to this error. This might include issues with customizing settings or missing dependencies.
  System Updates or Changes: Recent updates or changes to the system, such as patches or new implementations, can sometimes lead to inconsistencies if not properly managed.
  User Input Errors: Manual data entry errors can also lead to inconsistencies, especially if the data does not meet the required validation rules.
  
  Solutions to TG851 Error
  
  Data Validation: Check the data for inconsistencies. This may involve reviewing master data, transactional data, and configuration settings to ensure they are complete and correctly linked.
  Use of SAP Tools: Utilize SAP tools such as transaction codes (e.g., SE11 for data dictionary, SE16 for table display) to analyze the data and identify inconsistencies.
  Consistency Checks: Run consistency checks or reports provided by SAP to identify and rectify inconsistencies. This may include using specific transaction codes or programs designed for this purpose.
  Configuration Review: Review the configuration settings in the relevant modules to ensure they are set up correctly. This may involve consulting with a functional consultant or SAP support.
  Error Logs: Check the system logs (transaction SLG1) for more detailed information about the error and its context, which can provide clues for troubleshooting.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address the specific error or provide guidance on resolving it.
  
  Are Exceptions and Errors Related?
  
  Exceptions: In programming and system operations, exceptions are typically conditions that deviate from the expected flow of execution but can be handled gracefully. They may not necessarily indicate a failure but rather a situation that requires special handling.
  Errors: Errors, on the other hand, usually indicate a failure in the system that prevents it from completing a task. Errors often require immediate attention and resolution to restore normal operation.
  
  In the context of SAP, both exceptions and errors can lead to issues like the TG851 message, but they are conceptually different. Exceptions may be handled through specific coding practices or configurations, while errors often require more direct troubleshooting and resolution.
  Conclusion
  To resolve the TG851 error, it is essential to conduct a thorough investigation of the data and configuration settings in the SAP system. Utilizing SAP tools and resources, along with consulting with experts when necessary, can help identify and rectify the underlying issues causing the error.