This is what I´ve found:
Log starts on 2021-01-05 15:25:52, Ornatrix 2.1.1.26493 Release Demo, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
[Error ] [t 1287792] [tid 16720 ] [M 4400452] [HairFromGuidesGenerator::UpdateState] \Ephere\Ornatrix\Operators\HairFromGuidesGenerator.cpp(2668): error: I need at least 1 sparse roots to work with.
[Info ] [t 2566337] [tid main ] [M 8072244] [<lambda_d9095aa43f2aa2b008fd06cdeb1c119c>::] OpenCL: 2 devices discovered
[Info ] [t 2566338] [tid main ] [M 8072244] [<lambda_d9095aa43f2aa2b008fd06cdeb1c119c>::] OpenCL: using device GeForce RTX 2060 SUPER version OpenCL 1.2 CUDA
Log starts on 2021-01-05 16:50:50, Ornatrix 2.1.1.26447 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-05 16:58:25, Ornatrix 2.1.1.26447 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-05 17:05:46, Ornatrix 2.1.1.26447 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-05 17:16:51, Ornatrix 2.1.1.26545 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-05 17:20:21, Ornatrix 2.1.1.26545 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-05 17:24:13, Ornatrix 2.1.1.26545 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-05 17:28:34, Ornatrix 2.1.1.26545 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-05 17:34:31, Ornatrix 2.1.1.26447 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-05 19:30:50, Ornatrix 2.1.1.26447 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix
Log starts on 2021-01-06 10:11:22, Ornatrix 2.1.1.26447 Release, built with Visual C++ 1916, loaded from C:\Program Files\Maxon Cinema 4D R23\plugins\Ornatrix