How To Fix SLD012 - Unable to delete SLD shared memory; use RZ20/RZ21 to delete it manually

SLD012 - Overview

• Message type: E = Error

• Message class: SLD - SLD Messages

• Message number: 012

• Message text: Unable to delete SLD shared memory; use RZ20/RZ21 to delete it manually

Self-Explanatory Message

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SLD012 - Details

• The SAP error message SLD012 indicates that the system is unable to delete the SLD (System Landscape Directory) shared memory. This can occur for various reasons, such as issues with the shared memory itself, locks on the memory, or problems with the SLD configuration.
  Cause
  
  Locks on Shared Memory: The shared memory might be locked by another process, preventing deletion.
  
  Configuration Issues: There may be misconfigurations in the SLD settings or the SLD itself.
  System Resource Issues: Insufficient system resources or memory issues can also lead to this error.
  Background Jobs: If there are background jobs that are using the SLD, they may prevent the deletion.
  
  Solution
  To resolve the error, you can follow these steps:
  
  
  Check Locks: Use transaction code SM12 to check for any locks on the shared memory. If you find any locks that are not needed, you can delete them.
  
  
  Use RZ20/RZ21: As suggested in the error message, you can manually delete the SLD shared