Ricky , i remember something , maybe it can be useful for you to solve some copy and rename problems !
I remembered that , sometimes i see cloned second files on my file mananager . Same name , but sometimes same size some time less file size .
Maybe i delete true file and let stay wrong , in complete files ( maybe a little bytes different and file manager do not show this )
And sometimes when i try to copy and rename files , as i said you before i get errors
I use filezilla for ftp upload .
I said just for maybe helpful for feedback . Happy works