Child Custody Issue — child support modification after job loss

I publish illustrative scenarios prepared by my practice. All participants and conversations are fictional. The fictional posts are not posts by real users, accounts of client experiences, or reports of actual results.
Illustrative scenario prepared by my practice.
For informational purposes only. This is not legal advice. Laws vary by jurisdiction. Consult a qualified attorney for advice specific to your situation.
Hypothetical question

I've been trying to resolve this on my own but I'm stuck.

child support modification after job loss. I've been dealing with this for about 15 months now and the situation isn't improving.

I have already tried to resolve this directly but the other party is not cooperating.

What are the risks if I pursue this? What's the likely timeline?