Is there a way that you can talk to your school? most schools have a disability office or an office for student services. If you explain that you have a diagnosed psychological issue that is preventing you from completing work, they may be able to give you some accommodations.

If not, could you take a break? Take time to focus on yourself, therapy, whatever you need to get through this episode. If you don't think you can keep up with work, could you just re-enroll in the same class in the spring? or next fall?