How To Fix DBMAN012 - Real-time request &2 (InfoCube &1) cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 012

• Message text: Real-time request &2 (InfoCube &1) cannot be locked

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 DBMAN012 - Real-time request &2 (InfoCube &1) cannot be locked ?

  The SAP error message DBMAN012 indicates that a real-time request for an InfoCube cannot be locked. This typically occurs in the context of data loading processes in SAP BW (Business Warehouse) when there are issues with data consistency or concurrent access to the InfoCube.
  Causes:
  
  Concurrent Data Loads: Another process may be trying to load data into the same InfoCube at the same time, leading to a locking conflict.
  Long-Running Processes: A previous data load or process may be taking too long, causing the lock to remain active.
  Database Lock Issues: There may be issues with the database that prevent the locking mechanism from functioning correctly.
  System Performance Issues: High system load or performance issues can lead to delays in acquiring locks.
  Configuration Issues: Incorrect settings in the data loading process or InfoCube configuration may lead to locking problems.
  
  Solutions:
  
  Check for Concurrent Loads: Verify if there are any other data load processes running for the same InfoCube. If so, wait for them to complete before starting a new load.
  Monitor Long-Running Processes: Use transaction codes like SM66 or SM50 to monitor active processes and identify any long-running jobs that may be holding locks.
  Database Lock Management: Use transaction SM12 to check for and manage database locks. You can delete locks that are no longer needed, but be cautious as this may affect other processes.
  System Performance Check: Assess the overall performance of the SAP system. If the system is under heavy load, consider scheduling data loads during off-peak hours.
  Review Configuration: Check the configuration of the InfoCube and the data loading process to ensure that everything is set up correctly.
  Restart the Data Load: If the issue persists, you may need to cancel the current data load and restart it after resolving any locking issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM66 (for global process overview), and RSA1 (for data warehousing workbench).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the locking issue.
  
  By following these steps, you should be able to diagnose and resolve the DBMAN012 error effectively.