How To Fix FK555 - Calendar buffer could not be synchronized -> see system log

SAP Error Message - Details

• Message type: E = Error

• Message class: FK - Factory calendar

• Message number: 555

• Message text: Calendar buffer could not be synchronized -> see system log

What causes this issue?

An error occured while trying to synchronize the calendar buffers on all
application servers.

System Response

A system log was generated for this problem.

How to fix this error?

Please contact the system administration with the information that a
system log exists for this problem.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FK555 - Calendar buffer could not be synchronized -> see system log ?

  The SAP error message FK555, which states "Calendar buffer could not be synchronized -> see system log," typically indicates an issue with the synchronization of the calendar buffer in the SAP system. This can occur in various scenarios, particularly when dealing with financial transactions or when the system is trying to access calendar-related data.
  Causes:
  
  Database Lock Issues: There may be locks on the database that prevent the calendar buffer from being updated or synchronized.
  Inconsistent Data: There could be inconsistencies in the calendar data, possibly due to manual changes or data corruption.
  System Configuration Issues: Incorrect configuration settings in the SAP system related to calendar management.
  Transport Issues: If there have been recent transports that included changes to calendar-related objects, they may not have been properly imported or activated.
  System Performance: High load on the system or performance issues can lead to timeouts or failures in buffer synchronization.
  
  Solutions:
  
  Check System Log: The first step is to check the system log (transaction SM21) for more detailed error messages that can provide insights into the specific issue.
  Database Lock Management: Use transaction SM12 to check for and resolve any database locks that may be affecting the calendar buffer.
  Consistency Check: Perform a consistency check on the calendar data. This can be done using transaction code SE11 to check the relevant database tables.
  Rebuild Calendar Buffer: You can try to rebuild the calendar buffer. This can often be done by executing the report program that handles calendar buffer updates.
  System Restart: In some cases, a system restart may help clear temporary issues affecting the calendar buffer.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it is affecting critical business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), SM12 (Display and Delete Locks), and SE11 (Data Dictionary).
  SAP Documentation: Review SAP documentation related to calendar management and buffer synchronization for more context and troubleshooting steps.
  Performance Monitoring: Monitor system performance and load, especially during peak times, to identify if performance issues are contributing to the error.
  
  By following these steps, you should be able to diagnose and resolve the FK555 error in your SAP system.