How To Fix DI828 - Type of lock field &-& is not suitable

SAP Error Message - Details

• Message type: E = Error

• Message class: DI - Dictionary messages: Indexes

• Message number: 828

• Message text: Type of lock field &-& is not suitable

What causes this issue?

The given <DS:TX.DDDOK_ENQU_FIELD>lock field</> has a string type or
reference type as type. Fields of this type may not occur in the lock
argument of a lock object.

System Response

INCLUDE DDDOC_CANCEL OBJECT DOKU ID TX

How to fix this error?

Remove the given field from the lock argument of the lock object. You
might have to delete the key attribute in the base table of the lock
object.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DI828 - Type of lock field &-& is not suitable ?

  The SAP error message DI828, which states "Type of lock field &-& is not suitable," typically occurs in the context of data locking mechanisms in SAP, particularly when dealing with database operations that require exclusive access to certain records. This error can arise in various scenarios, such as during data updates, inserts, or deletes when the system encounters a locking issue.
  Cause:
  
  Incompatible Lock Type: The error usually indicates that the type of lock being requested for a specific field or record is not appropriate for the operation being performed. For example, if a shared lock is requested when an exclusive lock is needed, this error may occur.
  Field Configuration: The field in question may not be configured correctly in the database or in the application logic, leading to a mismatch in expected lock types.
  Concurrency Issues: Multiple users or processes may be trying to access or modify the same data simultaneously, leading to conflicts in lock types.
  Custom Code: If there are custom enhancements or modifications in the SAP system, they may inadvertently cause locking issues.
  
  Solution:
  
  Check Lock Configuration: Review the configuration of the fields involved in the operation. Ensure that the lock types are set correctly according to the business logic and requirements.
  Review Custom Code: If there are any custom programs or enhancements, check the code for any locking mechanisms that may be incorrectly implemented. Ensure that the appropriate lock types are being used.
  Database Lock Monitoring: Use transaction codes like SM12 (to view and manage locks) to check for existing locks on the records in question. If there are stale locks, they may need to be released.
  Adjust Concurrency Settings: If the issue is related to concurrent access, consider adjusting the application logic to handle locks more gracefully, such as implementing retry mechanisms or using optimistic locking strategies.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or functionality you are working with to see if there are known issues or additional configuration steps required.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view locks), SM21 (to check system logs), and ST22 (to analyze dumps) for troubleshooting.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or SAP support for further investigation.