How To Fix DI786 - Parameter field &-& of lock parameter & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 786

• Message text: Parameter field &-& of lock parameter & does not exist

What causes this issue?

A <DS:TX.DDDOK_ENQU_PARAMETER>lock parameter</> of a lock object must
alway be assigned to a
<DS:TX.DDDOK_ENQU_PARAMETERFIELD>parameter field</> of the lock object.
Such a field was specified for the viewed lock object, but this field
is not in the active version of the base table.

System Response

The action was cancelled.

How to fix this error?

Extend the relevant base table with the field named or delete the
corresonding lock parameter from the definition of the lock object.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DI786 - Parameter field &-& of lock parameter & does not exist ?

  The SAP error message DI786 indicates that there is an issue with a lock parameter in the system. Specifically, it means that a parameter field specified in the lock request does not exist. This can occur in various scenarios, such as when trying to access or modify data that is subject to locking mechanisms in SAP.
  Cause:
  
  Incorrect Parameter Name: The parameter name specified in the lock request may be misspelled or incorrect.
  Non-existent Field: The field you are trying to lock may not exist in the specified table or structure.
  Changes in Data Model: If there have been recent changes to the data model (e.g., fields added or removed), the lock request may reference outdated fields.
  Custom Development Issues: If there is custom code (e.g., ABAP programs or enhancements) that is trying to lock a parameter that has been changed or removed, this error can occur.
  
  Solution:
  
  Check Parameter Name: Verify that the parameter name specified in the lock request is correct and matches the expected field name in the database table or structure.
  Review Data Model: Ensure that the field you are trying to lock exists in the relevant data model. You can check the table structure in transaction SE11 (Data Dictionary).
  Debug Custom Code: If the error is occurring in a custom program, debug the code to identify where the incorrect parameter is being referenced. Make necessary adjustments to ensure that the correct fields are being used.
  Consult Documentation: If the error is related to a standard SAP transaction or function module, consult the relevant SAP documentation or notes for any known issues or updates.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as this may resolve known issues related to locking mechanisms.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the data structures and function modules involved.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional context.
  Lock Mechanism: Understand how SAP's locking mechanism works, including the use of ENQUEUE and DEQUEUE function modules, to better troubleshoot locking issues.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance.