How To Fix PU805 - Error when calling the operating system

PU805 - Overview

• Message type: E = Error

• Message class: PU - Upgrade and Transport Log Messages

• Message number: 805

• Message text: Error when calling the operating system

What causes this issue?

An operating system command was called from an ABAP program. This
command could not be executed.

System Response

The operating system reported the error to the calling program.

How to fix this error?

If you are unable to solve the problem yourself, contact your SAP
system administrator.
Possible causes of the problem:
The central transport directory <LS>/usr/sap/trans</> has not been set
up on the application server you are using.
One of the following programs is missing from subdirectory <LS>/bin</>
in the central transport directory: T_EXP, T_WRITELOG, tp.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PU805 - Error when calling the operating system ?

  The SAP error message PU805, which indicates an error when calling the operating system, typically arises in the context of background processing or when executing external commands from within SAP. This error can occur for various reasons, and understanding the cause is crucial for finding an appropriate solution.
  Possible Causes of PU805 Error
  
  
  Operating System Issues: The operating system may not be responding correctly, or there may be issues with system resources (e.g., memory, CPU).
  
  
  Permission Issues: The user under which the SAP system is running may not have the necessary permissions to execute the command or access the required files.
  
  
  Path Issues: The command or executable being called may not be found in the specified path, or the path may not be correctly configured in the SAP system.
  
  
  Configuration Errors: There may be misconfigurations in the SAP system settings related to external commands or background jobs.
  
  
  Network Issues: If the command involves network resources, there