How To Fix DI780 - Name of lock parameter & invalid since it does not start with a letter

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 780

• Message text: Name of lock parameter & invalid since it does not start with a letter

What causes this issue?

The name of a <DS:TX.DDDOK_ENQU_PARAMETER>lock parameter</> of the lock
object in question does not begin with a letter. This is not allowed.

System Response

The action is cancelled.

How to fix this error?

In the maintenance transaction of the ABAP/4 Dictionary give the lock
parameter a name which conforms to the
<DS:TX.DDDOK_ENQU_PARAMETERNAME>name conventions for lock
parameters</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DI780 - Name of lock parameter & invalid since it does not start with a letter ?

  The SAP error message DI780 indicates that there is an issue with a lock parameter name in your SAP system. Specifically, the error states that the name of the lock parameter is invalid because it does not start with a letter. This is a common validation rule in many programming and scripting environments, including SAP.
  Cause:
  
  Invalid Naming Convention: The lock parameter name provided does not adhere to the naming conventions required by SAP. In SAP, identifiers (like variable names, lock names, etc.) must start with a letter (A-Z or a-z) and can be followed by letters, numbers (0-9), or underscores (_).
  Typographical Error: There may be a typographical error in the code or configuration where the lock parameter is defined.
  Data Input Issue: If the lock parameter is being generated dynamically or input by a user, it may have been incorrectly formatted.
  
  Solution:
  
  Check the Lock Parameter Name: Review the code or configuration where the lock parameter is defined. Ensure that the name starts with a letter and follows the naming conventions.
  Modify the Name: If you find that the lock parameter name does not start with a letter, change it to a valid name that adheres to the naming rules.
  Test the Changes: After making the necessary changes, test the functionality to ensure that the error is resolved and that the lock parameter works as intended.
  Review Documentation: If you are unsure about the naming conventions, refer to the SAP documentation or guidelines for naming conventions in your specific context (e.g., ABAP programming, configuration settings).
  
  Related Information:
  
  SAP Naming Conventions: Familiarize yourself with SAP's naming conventions for variables, parameters, and other identifiers. This can help prevent similar errors in the future.
  Debugging Tools: Use SAP debugging tools to trace where the lock parameter is being set or used, which can help identify the source of the invalid name.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this error or provide additional context or solutions.
  
  By following these steps, you should be able to resolve the DI780 error and ensure that your lock parameters are correctly defined.