Single Member LLC in California - nonprofit 501c3 application denied

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

Looking for advice on a legal issue in California. Here's what happened.

nonprofit 501c3 application denied. I've been dealing with this for about 13 months now and the situation isn't improving.

I have already consulted briefly with a lawyer but did not get a clear answer.

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