How To Fix R7804 - System error when locking the InfoObject catalog

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 804

• Message text: System error when locking the InfoObject catalog

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 R7804 - System error when locking the InfoObject catalog ?

  The SAP error message R7804, which indicates a "System error when locking the InfoObject catalog," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with locking mechanisms related to InfoObjects. This can happen during operations such as creating, modifying, or deleting InfoObjects in the InfoObject catalog.
  Causes:
  
  Database Locking Issues: The error may arise due to database locks that are not released properly, which can happen if a previous transaction did not complete successfully.
  Concurrency Issues: Multiple users or processes trying to access or modify the same InfoObject simultaneously can lead to locking conflicts.
  System Performance: High system load or performance issues can cause delays in processing, leading to timeouts and locking errors.
  Transport Issues: If changes to InfoObjects are being transported between systems, issues in the transport process can lead to locking errors.
  Corrupted Objects: Sometimes, the InfoObject itself may be corrupted, leading to issues when the system tries to lock it.
  
  Solutions:
  
  Check Locks: Use transaction code SM12 to check for existing locks on the InfoObject. If you find any unnecessary locks, you can delete them (ensure you have the necessary authorizations).
  System Restart: If the issue persists, consider restarting the application server or the entire SAP system to clear any lingering locks.
  Transaction Monitoring: Use transaction code SM21 to check the system log for any related errors or warnings that might provide more context about the issue.
  Performance Tuning: If the system is under heavy load, consider optimizing performance by checking for long-running processes or tuning database performance.
  Transport Management: If the issue is related to transports, ensure that all transport requests are correctly imported and that there are no inconsistencies in the transport directory.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and support packages, as these may contain fixes for known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to error R7804 for specific guidance or patches that may address the issue. You can search for relevant notes in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation for InfoObject management and locking mechanisms to better understand how to manage and troubleshoot these types of errors.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.