So are you tring to revert back to an older version of GTA V? I'm not really too sure I understand if that's not the case.
I'd recommend using the most up to date version of RPH and GTA V, as that way you will have access to more mods, and a more stable version of plugins etc (not to mention LSPDFR 0.4 is coming out soon, and you won't want to miss out on that!)