How To Fix SG021 - Operating system & unknown

SG021 - Overview

• Message type: E = Error

• Message class: SG - Global Pool for Cross-Application Developments

• Message number: 021

• Message text: Operating system & unknown

What causes this issue?

No entry was found in the conversion table for operating system &V1&.

System Response

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

How to fix this error?

Make an entry for the operating system in the conversion table using
the transaction FILE.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SG021 - Operating system & unknown ?

  The SAP error message SG021, which states "Operating system & unknown," typically indicates that there is an issue related to the operating system environment in which the SAP system is running. This error can arise from various underlying causes, and addressing it often requires a systematic approach to identify and resolve the issue.
  Possible Causes:
  
  Operating System Compatibility: The version of the operating system may not be compatible with the version of SAP you are using.
  File System Issues: There may be problems with the file system, such as corruption or insufficient permissions.
  Resource Limitations: The system may be running out of resources (e.g., memory, disk space).
  Configuration Errors: Incorrect configuration settings in the SAP system or the operating system can lead to this error.
  Network Issues: If the SAP system relies on network resources, issues with network connectivity can trigger this error.
  Missing or Corrupted Files: Essential files required for SAP operation may be missing or