Going v1109, not beta. Hope this do the trick, now downloading ~1Gb update. Edit: No help, same error but AMG.
Try this : https://forum.studio-397.com/index.php?threads/new-gt3-pack-now-available.58031/page-18#post-918408
Thanks Ari, did that and waiting for results...and it works! Just unsubscribing and get them again, but now rfactor crashing...back to the v1109-beta and everything is good.