How To Fix SG816 - Operating system '&1' is not defined.

SG816 - Overview

• Message type: E = Error

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

• Message number: 816

• Message text: Operating system '&1' is not defined.

What causes this issue?

A validation of a logical file name for operating system '&V1&' was
requested but this operating system is not defined.

System Response

File validation failed.

How to fix this error?

The calling application &V2& must be changed in the program. Either the
operating system passed to file validation must be changed, or else
nothing passed so that the standard operating system is used.

Procedure for System Administrators

Report the problem to the program author.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SG816 - Operating system '&1' is not defined. ?

  The SAP error message SG816 indicates that the operating system specified in the system configuration is not recognized or defined in the SAP system. This can occur during various operations, such as when trying to execute a program or when configuring system settings.
  
  Cause:
  
  Incorrect Configuration: The operating system type may not be correctly defined in the SAP system configuration.
  Unsupported Operating System: The operating system being used may not be supported by the version of SAP you are running.
  Typographical Error: There may be a typo in the operating system name in the configuration settings.
  Missing or Incomplete Installation: The SAP system may not have been installed correctly, leading to missing definitions for the operating system.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to transaction code RZ10 or RZ11 to check the profile parameters and ensure that the operating system is correctly defined.
  Verify the SAP kernel version and ensure it is compatible with your operating system.
  
  
  
  Update Operating System Definition:
  
  If you