COBOL Runtime Error Code – 166 Recursive COBOL CALL is illegal (Fatal)

In this post, you’ll learn about the COBOL runtime Error Code 166 and the reason why you are receiving it

COBOL Error Code :

166

Reason for this Error in COBOL

Recursive COBOL CALL is illegal (Fatal) -You have tried to call a COBOL module that is already active. -You should recode your program.