Also having this issue and looking for a solve. Showing in C4d 2025.3.1, 2025.3.3, and 2026.0.0

Getting the same issue on c4d 2025.3.1, 2025.3.3 and 2026.0.0. I've reinstalled Octane (1.7.1 2025.3) as well as installed the latest Nvidia studio drivers with clean install, and still getting the issue