Violations must be willful and substantial. You have a valid legal argument to avoid being found in violation. With representation, it may be possible to have the requirement for classes removed altogether. I suggest you discuss with your PD or call an attorney for a consult. We provide free consults.
The above is provided for educational purposes only and is not legal advice nor makes you a client of the Mosca Law Firm, PA. Please consult with a lawyer in order to obtain confidential legal advice that is tailored to your specific situation and facts.
Sounds like the violation is not willful on your part. However, if the classes were a condition of your probation you will have to complete the classes.