Well...i looked around what "Error establishing database connection" means and im glad that there are not many sources were it can come from... for anyone interested read here:
Learn 8 methods to solve the “Error Establishing a Database Connection” warning in WordPress and ways to prevent it from happening
www.hostinger.com
Im not Sure if SH is an wordpress site but aside from the first one that can be inserted into any other Website maker, all others should still be applicable...i wish you all an good novel with many interesting chapters, or for authors that all things are saved and fine...