This course provides a focused exploration of modern exception-based error handling in the AIMMS language. Participants will learn to diagnose and catch errors efficiently, tailor error handling to specific applications, and explore traditional error handling techniques. By the end of the course, participants will be adept at creating diagnostic code, implementing error-catching mechanisms, and customizing the error handling behavior of the AIMMS execution engine. Error Handling course is essential for mastering robust error management in AIMMS applications.