COBOL Runtime Error Code – 191 Terminal type not defined (Fatal) -Your

In this post, you’ll learn about the COBOL runtime Error Code 191 and the reason why you are receiving it

COBOL Error Code :

191

Reason for this Error in COBOL

Terminal type not defined (Fatal) -Your terminal type is undefined, so your operating system is unable to drive your terminal. -Set up the necessary environment for your terminal.