Officerporci

Solved: Lspdfr sync downloads characters data from personal profile on lspdfr server, so if u don't have that character's ped model in your game folder (mods folder in this case), the plugin (lspdfr) will not reconize the ped because it doesn't exists (probably because u used peds in the past that you removed from mods folder, but still saved in lspdfr sync).
 
The only way to let lspdfr find that ped, is to reinstall it in the mods folder, because the only way to DELETE a character is from Character selection menu in game while playing lspdfr.