How To Fix MC594 - Start the lock object names with the prefix 'E'

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 594

• Message text: Start the lock object names with the prefix 'E'

What causes this issue?

You want to create a lock object whose name does not start with the
prefix E. Lock objects can start with the prefix E but this is not
mandatory.

System Response

This is an information message.

How to fix this error?

Note that the customer namespace for lock objects is EY* and EZ* (a
deviation from the namespace Y* and Z* for most development objects).
Stick to the suggested naming convention as far as possible.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC594 - Start the lock object names with the prefix 'E' ?

  The SAP error message MC594 indicates that there is an issue with the naming convention of lock objects in your ABAP program. Specifically, it states that lock object names must start with the prefix 'E'. This is a requirement in SAP to ensure that lock objects are properly identified and managed within the system.
  Cause:
  The error occurs when you attempt to create or use a lock object that does not adhere to the naming convention specified by SAP. Lock objects are used in SAP to manage concurrent access to data, and the naming convention helps in organizing and identifying these objects.
  Solution:
  To resolve this error, you need to ensure that all lock objects in your ABAP program start with the prefix 'E'. Here are the steps you can take:
  
  
  Identify the Lock Object: Check the lock object that is causing the error. You can find this in the ABAP code where the lock is being defined or used.
  
  
  Rename the Lock Object: If the lock object does not start with 'E', you will need to rename it. This can be done in the ABAP Dictionary (transaction SE11):
  
  Go to transaction SE11.
  Enter the name of the lock object and click on "Display".
  If you have the necessary authorizations, you can change the name to start with 'E' and activate the changes.
  
  
  
  Update the ABAP Code: After renaming the lock object, make sure to update any ABAP code that references the old lock object name. This includes any ENQUEUE and DEQUEUE statements.
  
  
  Test the Changes: After making the changes, test the program to ensure that the error is resolved and that the lock object is functioning as expected.
  
  
  Related Information:
  
  Lock Objects: Lock objects are defined in the ABAP Dictionary and are used to prevent simultaneous access to data by multiple users or processes.
  Naming Conventions: SAP has specific naming conventions for various objects, including lock objects, which help maintain consistency and avoid conflicts.
  Documentation: For more detailed information, you can refer to the SAP Help Portal or the ABAP documentation related to lock objects and their usage.
  
  By following these steps, you should be able to resolve the MC594 error and ensure that your lock objects comply with SAP's naming conventions.