Do you have any question about this error?
Stop googling SAP errors. Use our Free Essentials plan instead - no credit card needed. Start Now →
Message type: E = Error
Message class: SG - Global Pool for Cross-Application Developments
Message number: 027
Message text: System lock error: Inform system administrator
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.
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.
SG027
- System lock error: Inform system administrator ?The SAP error message SG027, which indicates a "System lock error: Inform system administrator," typically arises when there is an issue with the system locks that are used to manage concurrent access to resources in SAP. This error can occur in various scenarios, such as during transaction processing, data updates, or when accessing certain functionalities.
Causes of SG027 Error
- Lock Table Issues: The lock table may be full or corrupted, preventing new locks from being created.
- Database Issues: Problems with the underlying database can lead to lock management issues.
- Long-Running Transactions: If a transaction holds a lock for an extended period, it can lead to contention and subsequent errors.
- System Configuration: Incorrect configuration settings related to locks or system resources can also trigger this error.
- User Authorization: Insufficient user permissions to access or modify certain data can lead to lock errors.
Solutions to SG027 Error
Check Lock Entries:
- Use transaction code SM12 to view and manage lock entries. You can check for any locks that are no longer needed and delete them if necessary.
Monitor System Performance:
- Use transaction code SM66 to monitor active processes and identify any long-running transactions that may be causing lock contention.
Database Check:
- Ensure that the database is functioning correctly. Check for any database locks or issues that may be affecting performance.
Increase Lock Table Size:
- If the lock table is full, consider increasing its size. This can be done by adjusting the relevant parameters in the SAP profile (e.g.,
enque/table_size
).Review System Configuration:
- Check the configuration settings related to locks and ensure they are set appropriately for your system's workload.
User Authorization:
- Verify that the user encountering the error has the necessary authorizations to perform the action that is causing the lock error.
Restart the Application Server:
- In some cases, restarting the application server can help clear any temporary issues related to locks.
Consult SAP Notes:
- Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
Related Information
Transaction Codes:
SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs and the context in which the error occurred.
Documentation: Review SAP documentation related to system locks and performance tuning for additional insights and best practices.
By following these steps, you should be able to diagnose and resolve the SG027 error effectively.
Get instant SAP help. Sign up for our Free Essentials Plan.
SG026
Table & is locked by a user
What causes this issue? You wanted to make an entry in the table TCURF (exchange rate factors), but the table is being used by another user.System Re...
SG025
Basis currency missing for exchange rate type &
What causes this issue? You have set the flag for the use of a special conversion pattern in the exchange rate type table, but you have not specified...
SG028
Ambiguous &/& exchange rate relations
What causes this issue? The change to a different exchange rate type revealed different exchange rate relationships.System Response Error MessageHow...
SG029
The rate calculated for the factors &:& is too big
What causes this issue? The System tried to combine the entry of the exhange rate with the exisiting exhange rate factors. This caused a field overfl...
Click on this link to search all SAP messages.