How To Fix DI777 - Name of lock object does not start with a letter

DI777 - Overview

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 777

• Message text: Name of lock object does not start with a letter

What causes this issue?

The name of the lock parameter given is not allowed because it is a
reserved word.

System Response

The action is cancelled.

How to fix this error?

Give the lock parameter an allowed name in
the maintenance transaction of the ABAP/4 Dictionary.

Error message extract from SAP system. Copyright SAP SE.

DI777 - Details

• The SAP error message DI777, which states "Name of lock object does not start with a letter," typically occurs when you are trying to create or modify a lock object in the SAP system, and the name you have provided does not conform to the naming conventions required by SAP.
  
  Cause:
  In SAP, lock objects (used for handling concurrency in database operations) must adhere to specific naming conventions. One of these conventions is that the name of the lock object must start with a letter (A-Z or a-z). If the name starts with a number or a special character, the system will throw this error.
  
  Solution:
  To resolve this error, you should:
  
  
  Check the Lock Object Name: Ensure that the name you are using for the lock object starts with a letter. For example, instead of using a name like 1LOCKOBJ, you should use LOCKOBJ1 or A_LOCKOBJ.
  
  
  Modify the Name: If you have already created a