BL251 - Control does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: BL - Application Log

• Message number: 251

• Message text: Control does not exist

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 BL251 - Control does not exist ?

  The SAP error message BL251 ("Control does not exist") typically occurs in the context of SAP Business Workflow or when dealing with Business Object (BO) instances. This error indicates that the system is unable to find a specific control or object that is expected to be present in the workflow or business process.
  Causes:
  
  Missing Control Definition: The control that the workflow is trying to access has not been defined or has been deleted.
  Incorrect Configuration: The configuration settings for the workflow or business object may be incorrect, leading to the system being unable to locate the control.
  Transport Issues: If the workflow or control was transported from one system to another (e.g., from development to production), there may have been issues during the transport process.
  Authorization Issues: The user may not have the necessary authorizations to access the control or object.
  Version Mismatch: There may be a version mismatch between the workflow and the control, especially if changes were made to either without proper synchronization.
  
  Solutions:
  
  Check Control Definition: Verify that the control exists in the system. You can do this by checking the relevant transaction codes (e.g., SWDD for workflow definitions).
  Review Workflow Configuration: Ensure that the workflow is correctly configured and that all necessary components are in place.
  Transport Logs: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate what went wrong.
  Authorization Check: Ensure that the user has the necessary authorizations to access the control. You can use transaction SU53 to analyze authorization issues.
  Recreate Control: If the control is missing, you may need to recreate it or restore it from a backup if available.
  Debugging: If the issue persists, consider debugging the workflow to identify where the control is being called and why it is not found.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SWDD (Workflow Builder), SWI1 (Work Item Selection), and SWI2_FREQ (Work Item Selection for Repeated Execution).
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message BL251.
  Documentation: Review SAP documentation on workflows and business objects for best practices and troubleshooting steps.
  
  If the problem continues after trying the above solutions, it may be beneficial to consult with your SAP Basis or Workflow team for further assistance.