How To Fix D0755 - & is already defined as lock object

SAP Error Message - Details

• Message type: E = Error

• Message class: D0 - Machine-level ABAP/4 Dictionary texts (e.g. debugging)

• Message number: 755

• Message text: & is already defined as lock object

INCLUDE 'D0751' OBJECT DOKU ID NA

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message D0755 - & is already defined as lock object ?

  The SAP error message D0755 indicates that there is an issue with a lock object that is already defined in the system. This typically occurs when you are trying to create or modify a lock object that has the same name as an existing one. Lock objects are used in SAP to manage concurrent access to data, ensuring that data integrity is maintained when multiple users or processes are trying to access the same data simultaneously.
  Cause:
  
  Duplicate Lock Object Name: The most common cause of this error is that you are attempting to create a new lock object with a name that already exists in the system.
  Transport Issues: If you are transporting objects between systems (e.g., from development to production), there may be conflicts with existing lock objects.
  Namespace Conflicts: If you are using a custom namespace, there may be conflicts with standard SAP objects or other custom objects.
  
  Solution:
  
  Check Existing Lock Objects: Use transaction code SE11 (Data Dictionary) to check if the lock object you are trying to create already exists. You can search for the lock object by name.
  Rename the Lock Object: If you find that the lock object already exists and you need to create a new one, consider renaming your new lock object to avoid the conflict.
  Modify Existing Lock Object: If the existing lock object meets your requirements, you can modify it instead of creating a new one.
  Transport Management: If the issue arises during a transport, ensure that the transport does not include objects that conflict with existing ones in the target system.
  Namespace Management: If you are working in a custom namespace, ensure that your naming conventions do not conflict with standard SAP objects.
  
  Related Information:
  
  Lock Objects in SAP: Lock objects are defined in the Data Dictionary and are used to manage locks on database records. They are defined using transaction code SE11.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SE37 (Function Module) to manage and troubleshoot lock objects.
  Documentation: Refer to SAP documentation for detailed information on lock objects, their usage, and best practices for naming conventions.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP Basis or development team for further assistance.