How To Fix UMG071 - Shadow table still contains data; operation will be canceled

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 071

• Message text: Shadow table still contains data; operation will be canceled

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 UMG071 - Shadow table still contains data; operation will be canceled ?

  The SAP error message UMG071 indicates that a shadow table still contains data, which prevents the operation from being completed. This error typically occurs in the context of data management operations, such as when trying to delete or modify data in a table that has a shadow table associated with it.
  Cause:
  The primary cause of this error is that the shadow table, which is used for temporary storage or backup during data operations, still has entries that need to be cleared or processed. This situation can arise due to:
  
  Incomplete Data Processing: Previous operations that were supposed to clear or update the shadow table did not complete successfully.
  Data Integrity Issues: There may be constraints or dependencies that prevent the shadow table from being emptied.
  System Errors: Unexpected system errors or interruptions during data operations can leave residual data in the shadow table.
  
  Solution:
  To resolve the UMG071 error, you can follow these steps:
  
  
  Check Shadow Table Contents: Use transaction codes like SE11 or SE16 to inspect the shadow table and identify the data that is still present.
  
  
  Clear Shadow Table: If it is safe to do so, you can manually delete the entries in the shadow table. This can often be done through a custom program or transaction designed for this purpose.
  
  
  Review Logs: Check the application logs or system logs for any errors or warnings that occurred during previous operations. This can provide insight into why the shadow table was not cleared.
  
  
  Re-run the Operation: After clearing the shadow table, attempt to re-run the operation that triggered the error.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or functionality you are working with, as there may be specific instructions or considerations for handling shadow tables.
  
  
  Contact SAP Support: If the issue persists or if you are unsure about the implications of clearing the shadow table, it may be best to contact SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and others that may help in managing database tables.
  SAP Notes: Search for SAP Notes related to UMG071 or shadow tables in the SAP Support Portal for any known issues or patches.
  Data Management Best Practices: Ensure that you follow best practices for data management in SAP to avoid similar issues in the future, such as regular maintenance and monitoring of database tables.
  
  By following these steps, you should be able to resolve the UMG071 error and successfully complete your intended operation.