Unfortunately OpenPHT is essentially a dead project these days. It is an open source project and the primary maintainer passed away several years ago and it hasn’t really seen any development since.
The immediate successor to PHT is Plex Media Player (PMP) and the upcoming successor to PMP is Plex HTPC which is currently in forum preview. These are likely a better choice.
If you absolutely must run a Kodi-based application (PHT/OpenPHT are based on a really old Kodi), then maybe you should look into running a current version of Kodi which is vastly newer than what you’d find in OpenPHT and then use the third-party application PlexKodiConnect.
