S1200

S1200	FATAL ERROR: S1200	ENVIRONMENT VARIABLE IS UNDEFINED: variable
	Cause:	The specified environment variable has not been defined.
	Action:	Perform the following actions For Linux OS, please ensure that the shell scripts located in the install folder of Autodesk Nastran were loaded prior to execution and/or check your system settings. For Windows OS, please reinstall Autodesk Nastran and/or check your system settings.
	Remarks:	None.