This updated pack is a small fix to resolve the problem with those who don't use the ACSPRH mod for real helmets.
If you do use ACSPRH, the ext_config files are located within the McLaren livery folders under folders named "ACSPRH". Move them to the base skin folder to utilise the ACSPRH mod.
If you don't have ACSPRH and have a previous version of the skin pack, delete the ext_config.ini files located in your Steam folder or SteamLibrary folder here:
RSS Formula Hybrid 2019 - F1 2019 Skin Pack 1.4b
A skin pack containing the current F1 2019 cars for the RSS Formula Hybrid 2019 car