Some people don't do well with higher fat diets but you can go Paleo without being super high fat. I'd suggest keeping a food diary for at least a few days marking occurrences of attacks along with what she is putting in her mouth. That will really help you narrow down what is causing the problems.
No one says that you have to eat nuts IOT to be Paleo, in fact some Paleo advocates don't like nuts at all anyway. If you already know that nuts are a problem just cut them out and see how that helps.
"And for crying out loud. Don't go into the pain cave. I can't stress this enough. Your Totem Animal won't be in there to help you. You'll be on your own. The Pain Cave is for cowards.
Pain is your companion, don't go hide from it."