How To Fix MC517 - - lock object with the name & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 517

• Message text: - lock object with the name & already exists

What causes this issue?

A lock object with this name was already created in the ABAP/4
Dictionary.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Select another name for your object.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC517 - - lock object with the name & already exists ?

  The SAP error message MC517 indicates that a lock object with the specified name already exists in the system. This typically occurs when there is an attempt to create a lock object that has already been defined in the system, which can happen during the development of ABAP programs or when modifying existing ones.
  Cause:
  
  Duplicate Lock Object Definition: The most common cause is that the lock object you are trying to create already exists in the database. This can happen if the same lock object is defined in multiple places or if there is an attempt to create it again without first checking for its existence.
  Transport Issues: If you are transporting objects between systems (e.g., from development to quality assurance), there may be conflicts if the lock object is already present in the target system.
  Development Environment: In a development environment, multiple developers might inadvertently try to create the same lock object.
  
  Solution:
  
  Check Existing Lock Objects: Use transaction code SE11 (Data Dictionary) to check if the lock object already exists. You can search for the lock object by its name.
  Modify Existing Lock Object: If the lock object already exists and you need to make changes, you can modify the existing lock object instead of creating a new one.
  Delete Unused Lock Objects: If you find that there are obsolete or unused lock objects, you can delete them if they are not being used in any programs.
  Transport Management: Ensure that your transport requests are correctly managed. If you are transporting objects, make sure that the lock object is not already present in the target system.
  Naming Conventions: Establish clear naming conventions for lock objects to avoid conflicts in the future.
  
  Related Information:
  
  Lock Objects in SAP: Lock objects are used in SAP to manage concurrent access to data. They ensure that data integrity is maintained when multiple users or processes attempt to access the same data simultaneously.
  Transaction Codes: 
  
  SE11: Data Dictionary, where you can view and manage lock objects.
  SE80: Object Navigator, which can also be used to manage various objects, including lock objects.
  
  
  Documentation: Refer to SAP Help documentation for more details on lock objects and their usage in ABAP programming.
  
  If you continue to face issues after following these steps, consider reaching out to your SAP Basis or development team for further assistance.