How To Fix DI781 - Lock parameter name & contains nonalphanumeric characters (invalid)

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 781

• Message text: Lock parameter name & contains nonalphanumeric characters (invalid)

What causes this issue?

The name of a <DS:TX.DDDOK_ENQU_PARAMETER>lock parameter</> of the lock
object in question contains a nonalphanumeric character and is therefore
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 DI781 - Lock parameter name & contains nonalphanumeric characters (invalid) ?

  The SAP error message DI781 indicates that a lock parameter name contains non-alphanumeric characters, which is not allowed. This error typically arises when you are trying to create or manipulate a lock parameter in the SAP system, and the name you provided does not conform to the expected naming conventions.
  Cause:
  The error is caused by the presence of invalid characters in the lock parameter name. According to SAP's naming conventions, lock parameter names should only consist of alphanumeric characters (A-Z, a-z, 0-9) and should not include special characters, spaces, or punctuation.
  Solution:
  To resolve this error, you should:
  
  
  Check the Lock Parameter Name: Review the name of the lock parameter you are trying to use. Ensure that it only contains alphanumeric characters.
  
  
  Rename the Parameter: If the name contains invalid characters, rename the lock parameter to conform to the naming conventions. For example, if your lock parameter name is lock_param!, change it to lock_param1 or lockParam.
  
  
  Test the Changes: After renaming the parameter, re-run the process that triggered the error to ensure that the issue is resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the SAP documentation for guidelines on naming conventions for various objects, including lock parameters.
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions related to this error.
  Development Guidelines: If you are developing custom programs or enhancements, ensure that you follow SAP's best practices for naming conventions to avoid similar issues in the future.
  
  By adhering to the naming conventions and ensuring that all parameter names are valid, you can prevent this error from occurring.