What does “Title level inconsistent” mean?

Question

I\'ve been getting warnings in my documentation builds of the variety \"Title level inconsistent\". As far as I can tell, I have a consistent structure that looks something lik

Answer 1

I did get the same error that you reported. To me it seems that it was caused by mixing ^ and ~ for subsubsections. By substituting one for the other in the whole document the error disappeared.