Lost document...help...!

I have Windows 10…I use Libre Writer. Yesterday I created a document and saved it as Ken Powell profile. Today the only think I find is a blank sheet with my document name. How can I recover it…? Thanks

Please, what is “Ken Powell profile”?
And name your used LibreOffice version.
Please describe your situation so we can better understand what exactly the problem is and how exactly it came about.