Having the same issue...
The current game version is not supported.
Installed game version: 2699.0
Latest game version: Unknown
Supported game versions: 2699.16
The installed game version (2699.0) is not supported. This build of RAGE Plugin Hook is made for version 2699.16.
Deleted gta5.exe. downloaded current LSPDFR. Epic says I have current version 1.0.2699.16_a