How To Fix SZDM_CC_TROBJ020 - Error checking table lockmode (see previous exception for details)

SAP Error Message - Details

• Message type: E = Error

• Message class: SZDM_CC_TROBJ - Messages for objects in SZDM_CC_TRANSPORT_OBJECTS & sub pgks

• Message number: 020

• Message text: Error checking table lockmode (see previous exception for details)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SZDM_CC_TROBJ020 - Error checking table lockmode (see previous exception for details) ?

  The SAP error message SZDM_CC_TROBJ020 typically indicates an issue related to table locking mechanisms in the SAP system. This error can occur during various operations, such as data extraction, reporting, or when trying to access certain tables that are locked for updates or modifications.
  Cause:
  
  
  Table Locking: The error usually arises when a table is locked by another transaction or process. This can happen if:
  
  A long-running transaction is holding a lock on the table.
  There are multiple users or processes trying to access the same table simultaneously.
  A previous operation failed and left the table in a locked state.
  
  
  
  Database Issues: Sometimes, underlying database issues can lead to locking problems, such as deadlocks or resource contention.
  
  
  Configuration Issues: Incorrect configuration of the SAP system or the database can also lead to locking issues.
  
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to check for existing locks on the table. You can filter by user or table name to find the specific lock.
  If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  
  
  
  Check for Long-Running Transactions:
  
  Use transaction code SM50 or SM66 to monitor active processes and identify any long-running transactions that may be holding locks.
  
  
  
  Review Previous Exceptions:
  
  The error message suggests checking previous exceptions for more details. Look at the logs or messages preceding this error to understand what might have caused the lock.
  
  
  
  Database Administration:
  
  If the issue persists, consult with your database administrator to check for any underlying database issues or to perform maintenance tasks that might resolve locking problems.
  
  
  
  Retry the Operation:
  
  After resolving the locking issue, retry the operation that triggered the error.
  
  
  
  System Configuration:
  
  Review the configuration settings for your SAP system and database to ensure they are optimized for concurrent access and locking behavior.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address known issues.
  Documentation: Review SAP documentation on table locking and transaction management for a deeper understanding of how locks are managed within the system.
  Performance Monitoring: Regularly monitor system performance and locking behavior to proactively address potential issues before they lead to errors.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.