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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message DI777 - Name of lock object does not start with a letter ?

  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 lock object with an invalid name, you will need to delete it and create a new one with a valid name that starts with a letter.
  
  
  Follow Naming Conventions: Familiarize yourself with the naming conventions for lock objects in SAP. Typically, they should:
  
  Start with a letter (A-Z or a-z).
  Be followed by letters, numbers, or underscores.
  Not exceed the maximum length allowed (usually 30 characters).
  
  
  
  Related Information:
  
  Lock Objects: Lock objects are used in SAP to prevent simultaneous access to the same data by multiple users or processes, ensuring data integrity.
  Transaction Codes: You can create or modify lock objects using transaction codes like SE11 (Data Dictionary) or SE54 (Lock Object Maintenance).
  Documentation: Refer to the SAP Help Portal or the ABAP documentation for more details on lock objects and their usage.
  
  By ensuring that your lock object names conform to the required naming conventions, you should be able to avoid this error in the future.