How To Fix DDL_REPAIR051 - Activation not performed

SAP Error Message - Details

• Message type: E = Error

• Message class: DDL_REPAIR - Message Class for Transaction CDS_REPAIR

• Message number: 051

• Message text: Activation not performed

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 DDL_REPAIR051 - Activation not performed ?

  The SAP error message DDL_REPAIR051 ("Activation not performed") typically occurs during the activation of database objects, such as tables or views, when there are inconsistencies or issues that prevent the activation from completing successfully. This error is often related to the Data Dictionary (DDIC) and can arise from various causes.
  Causes:
  
  Inconsistent Data Dictionary Objects: There may be inconsistencies in the definitions of database objects, such as tables, views, or indexes.
  Missing or Incorrect Dependencies: The object you are trying to activate may depend on other objects that are not activated or are in an inconsistent state.
  Transport Issues: If the object was transported from another system, there may be issues with the transport that need to be resolved.
  Database Locking: The database may be locked or there may be other database-related issues preventing the activation.
  Syntax Errors: There may be syntax errors in the ABAP code or in the definitions of the database objects.
  
  Solutions:
  
  Check for Inconsistencies: Use transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to check for inconsistencies in the Data Dictionary. You can also use the report RSDDL_CHECK to identify issues.
  Activate Dependencies: Ensure that all dependent objects are activated. You can check the activation status of related objects in SE11 or SE14.
  Transport Management: If the object was transported, check the transport logs for any errors or warnings. You may need to re-import the transport or correct any issues.
  Database Locks: Check for any database locks using transaction SM12. If there are locks, you may need to release them.
  Review Syntax: If the error is related to ABAP code, review the code for any syntax errors or issues. Use transaction SE80 or SE38 to check the code.
  Re-activate the Object: After resolving any issues, try to re-activate the object using transaction SE11 or SE14.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator), SE38 (ABAP Editor), SM12 (Lock Entries).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to DDL_REPAIR051.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.