All of your plugins should be doubled checked but StreamFX is an issue, the installed version is stale & not available for download anymore, probably a reason for that. The current version of StreamFX is NOT vetted for OBS 30.2.x
obsproject.com
16:41:13.459: [StreamFX] Loading Version 1.0.0b631-g0a7e4bd7
16:41:13.460: [StreamFX] Component color_grade loaded.
16:41:13.460: [StreamFX] Component sdf_effects loaded.
16:41:13.461: [StreamFX] <nvidia::cuda::cuda> Driver reported CUDA version: 12.6.0
16:41:13.552: [StreamFX] <nvidia::cuda::context> Initialized CUDA on device 'NVIDIA GeForce RTX 4090' (1bcc76b8-fc8d-bf98-6ace-851008e68c85, 00011811, 1).
16:41:13.552: [StreamFX] <nvidia::cv::cv> No supported NVIDIA SDK is installed to provide 'NVCVImage.dll'.
16:41:13.564: [StreamFX] <filter::autoframing> Failed to make NVIDIA providers available due to error: Failed to load 'NVCVImage.dll'.
16:41:13.564: [StreamFX] <filter::autoframing> All supported providers failed to initialize, disabling effect.
16:41:13.564: [StreamFX] Component autoframing loaded.
16:41:13.564: [StreamFX] Component spoutsink loaded.
16:41:13.564: [StreamFX] Component spoutsink::sink loaded.
16:41:13.564: [StreamFX] Component spoutsink::spout loaded.
16:41:13.564: [StreamFX] Component core::threadpool loaded.
16:41:13.564: [StreamFX] Component core::source_tracker loaded.
16:41:13.564: [StreamFX] Component core::gs::vertexbuffer loaded.
16:41:13.564: [StreamFX] Component core::gs::texture loaded.
16:41:13.564: [StreamFX] Component core::gs::texrender loaded.
16:41:13.564: [StreamFX] Component core::gs::sampler loaded.
16:41:13.564: [StreamFX] Component blur loaded.
16:41:13.564: [StreamFX] Component dynamic_mask loaded.
16:41:13.565: [StreamFX] Component ffmpeg::encoder loaded.
16:41:13.565: [StreamFX] Component source_mirror loaded.
16:41:13.565: [StreamFX] Component transform loaded.
16:41:13.565: [StreamFX] <nvidia::cuda::cuda> Driver reported CUDA version: 12.6.0
16:41:13.642: [StreamFX] <nvidia::cuda::context> Initialized CUDA on device 'NVIDIA GeForce RTX 4090' (1bcc76b8-fc8d-bf98-6ace-851008e68c85, 00011811, 1).
16:41:13.642: [StreamFX] <nvidia::cv::cv> No supported NVIDIA SDK is installed to provide 'NVCVImage.dll'.
16:41:13.657: [StreamFX] <filter::video_superresolution> Failed to make NVIDIA Super-Resolution available due to error: Failed to load 'NVCVImage.dll'.
16:41:13.657: [StreamFX] <filter::video_superresolution> All supported Super-Resolution providers failed to initialize, disabling effect.
16:41:13.657: [StreamFX] Component upscaling loaded.
16:41:13.657: [StreamFX] <nvidia::cuda::cuda> Driver reported CUDA version: 12.6.0
16:41:13.731: [StreamFX] <nvidia::cuda::context> Initialized CUDA on device 'NVIDIA GeForce RTX 4090' (1bcc76b8-fc8d-bf98-6ace-851008e68c85, 00011811, 1).
16:41:13.731: [StreamFX] <nvidia::cv::cv> No supported NVIDIA SDK is installed to provide 'NVCVImage.dll'.
16:41:13.744: [StreamFX] <filter::virtual_greenscreen> Failed to make NVIDIA Greenscreen available due to error: Failed to load 'NVCVImage.dll'.
16:41:13.744: [StreamFX] <filter::virtual_greenscreen> All supported Virtual Greenscreen providers failed to initialize, disabling effect.
16:41:13.744: [StreamFX] Component virtual_greenscreen loaded.
16:41:13.744: [StreamFX] <nvidia::cuda::cuda> Driver reported CUDA version: 12.6.0
16:41:13.829: [StreamFX] <nvidia::cuda::context> Initialized CUDA on device 'NVIDIA GeForce RTX 4090' (1bcc76b8-fc8d-bf98-6ace-851008e68c85, 00011811, 1).
16:41:13.829: [StreamFX] <nvidia::cv::cv> No supported NVIDIA SDK is installed to provide 'NVCVImage.dll'.
16:41:13.845: [StreamFX] <filter::video_denoising> Failed to make NVIDIA providers available due to error: Failed to load 'NVCVImage.dll'.
16:41:13.845: [StreamFX] <filter::video_denoising> All supported providers failed to initialize, disabling effect.
16:41:13.845: [StreamFX] Component denoising loaded.
16:41:13.845: [StreamFX] Component shader::transition loaded.
16:41:13.845: [StreamFX] Component shader::source loaded.
16:41:13.846: [StreamFX] Component shader::filter loaded.
16:41:13.846: [StreamFX] Loaded Version 1.0.0b631-g0a7e4bd7
16:41:13.847: Failed to load 'pl-PL' text for module: 'transition-table.dll'