How To Fix RT552 - SAP buffer: Generic key (GenericKey)

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 552

• Message text: SAP buffer: Generic key (GenericKey)

What causes this issue?

The GenericKey buffer contains some or all of the contents of database
tables.
You can set the maximum size of the GenericKey buffer using system
parameter <ZH>zcsa/table_buffer_area</>, and the maximum number of
entries in the buffer directory with <ZH>zcsa/db_max_buftab</>. Specify
the value of system parameter <ZH>zcsa/table_buffer_area</> in bytes.

How to fix this error?

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

INCLUDE BC_BUFFER_INFO1 OBJECT DOKU ID TX LANGUAGE EN
A typical size for the buffer is around 50 MB. We recommend that you
further increase the size of the buffer if it fills up. A typical value
for the number of directory entries is around 10.000.
INCLUDE BC_BUFFER_INFO2 OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RT552 - SAP buffer: Generic key (GenericKey) ?

  The SAP error message RT552, which refers to a "SAP buffer: Generic key (GenericKey)," typically indicates an issue related to the SAP buffer management system. This error can occur in various contexts, often related to performance issues or data inconsistencies in the SAP system.
  Cause:
  
  Buffer Overflow: The error may arise when the buffer for a particular table or object is full, leading to an inability to store additional data.
  Inconsistent Data: If there are inconsistencies in the data being processed or if the data does not match the expected format, it can trigger this error.
  Configuration Issues: Incorrect configuration settings for buffer management can lead to this error.
  System Performance: High load on the system or insufficient resources can also contribute to buffer-related errors.
  
  Solution:
  
  Check Buffer Settings: Review the buffer settings in the SAP system. You can do this by navigating to transaction code RZ10 to check the profile parameters related to buffer management.
  Clear Buffers: You can clear the buffer for specific tables or objects using transaction code SM12 (for lock entries) or SM21 (for system logs) to identify and resolve issues.
  Increase Buffer Size: If the buffer is consistently full, consider increasing the buffer size for the affected tables or objects. This can be done in the profile parameters.
  Analyze Performance: Use transaction codes like ST02 (buffer management) and ST03 (workload analysis) to analyze system performance and identify bottlenecks.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (job monitoring), ST22 (dump analysis), and SM21 (system log) for further investigation.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Refer to SAP documentation for detailed information on buffer management and performance tuning.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.