How To Fix DI789 - No table can be locked with the lock object

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 789

• Message text: No table can be locked with the lock object

What causes this issue?

Because no <DS:TX.DDDOK_ENQU_MODE>lock modes</> are defined for the
lock object, no effective lock can be set with the help of this
lock object.

System Response

The action is continued with a warning.

How to fix this error?

Check which basis tables you want to lock with the lock object and
define lock modes for these tables in 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 DI789 - No table can be locked with the lock object ?

  The SAP error message DI789 ("No table can be locked with the lock object") typically occurs when there is an attempt to lock a table using a lock object that is not defined correctly or is not applicable for the table in question. This can happen in various scenarios, such as during the execution of a program or transaction that involves database operations.
  Causes:
  
  
  Incorrect Lock Object Definition: The lock object may not be defined for the specific table you are trying to lock. Lock objects are defined in the Data Dictionary (SE11) and must be associated with the appropriate tables.
  
  
  Table Not Suitable for Locking: Some tables, especially those that are not intended for direct updates or are system tables, cannot be locked using standard lock objects.
  
  
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to lock the specified table.
  
  
  Lock Object Not Active: The lock object may not be activated or may have been deleted or modified in a way that makes it unusable.
  
  
  Incorrect Usage in Code: The ABAP code may be incorrectly attempting to lock a table that is not intended to be locked.
  
  
  Solutions:
  
  
  Check Lock Object Definition: Go to transaction SE11 and check the definition of the lock object being used. Ensure that it is correctly defined for the table you are trying to lock.
  
  
  Review Table Locking Requirements: Verify if the table you are trying to lock is suitable for locking. If it is a system table or a table that should not be locked, consider using a different approach.
  
  
  Check User Authorizations: Ensure that the user has the necessary authorizations to perform locking operations on the specified table. This can be checked in transaction SU53 or by consulting with your security team.
  
  
  Activate Lock Object: If the lock object is not active, you may need to activate it in the Data Dictionary. This can be done in transaction SE11.
  
  
  Review ABAP Code: If you are a developer, review the ABAP code that is attempting to lock the table. Ensure that the correct lock object is being used and that it is appropriate for the table in question.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific lock object and table to understand any limitations or special considerations.
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE37 (Function Modules), SE80 (Object Navigator), SU53 (Authorization Check).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Lock Management: Understanding how SAP handles locking and the implications of locking on performance and data integrity can be beneficial.
  
  If the issue persists after checking the above points, it may be helpful to consult with your SAP Basis or ABAP development team for further investigation.