macOS: OBS refuses to start (freezes) if start scene contains unreachable SRT mediasource

OBS 27.1.3 (mac) log file uploaded at 2021-12-05, 02:17:28

02:10:15.022: CPU Name: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
02:10:15.022: CPU Speed: 4200MHz
02:10:15.023: Physical Cores: 4, Logical Cores: 8
02:10:15.023: Physical Memory: 65536MB Total
02:10:15.023: OS Name: Mac OS X
02:10:15.023: OS Version: Version 12.0.1 (Build 21A559)
02:10:15.023: Kernel Version: 21.1.0
02:10:15.032: hotkeys-cocoa: Using layout 'com.apple.keylayout.German'
02:10:15.034: Current Date/Time: 2021-12-05, 02:10:15
02:10:15.034: Browser Hardware Acceleration: true
02:10:15.034: Portable mode: false
02:10:15.200: OBS 27.1.3 (mac)
02:10:15.200: ---------------------------------
02:10:15.201: ---------------------------------
02:10:15.201: audio settings reset:
02:10:15.201: samples per sec: 48000
02:10:15.201: speakers: 2
02:10:15.215: ---------------------------------
02:10:15.215: Initializing OpenGL...
02:10:15.260: Loading up OpenGL on adapter ATI Technologies Inc. AMD Radeon Pro 580 OpenGL Engine
02:10:15.261: OpenGL loaded successfully, version 4.1 ATI-4.7.29, shading language 4.10
02:10:15.366: ---------------------------------
02:10:15.366: video settings reset:
02:10:15.366: base resolution: 1920x1080
02:10:15.366: output resolution: 1920x1080
02:10:15.366: downscale filter: Lanczos
02:10:15.366: fps: 60/1
02:10:15.366: format: NV12
02:10:15.366: YUV mode: 709/Partial
02:10:15.366: NV12 texture support not available
02:10:15.366: Audio monitoring device:
02:10:15.366: name: Default
02:10:15.366: id: default
02:10:15.367: ---------------------------------
02:10:15.378: Failed to load 'en-GB' text for module: 'coreaudio-encoder.so'
02:10:15.386: Failed to load 'en-US' text for module: 'decklink-captions.so'
02:10:15.397: Failed to load 'en-US' text for module: 'decklink-ouput-ui.so'
02:10:15.434: os_dlopen(libpython3.9.dylib->libpython3.9.dylib): dlopen(libpython3.9.dylib, 0x0101): tried: '/Applications/OBS.app/Contents/MacOS/../Frameworks/libpython3.9.dylib' (no such file), '/Applications/OBS.app/Contents/MacOS/../Frameworks/libpython3.9.dylib' (no such file), '/Applications/OBS.app/Contents/MacOS/../Frameworks/libpython3.9.dylib' (no such file), '/Applications/OBS.app/Contents/MacOS/../Frameworks/libpython3.9.dylib' (no such file), 'libpython3.9.dylib' (no such file), '/usr/lib/libpython3.9.dylib' (no such file), '//libpython3.9.dylib' (no such file), '/usr/lib/libpython3.9.dylib' (no such file)
02:10:15.434:
02:10:15.434: [Python] Could not load library: libpython3.9.dylib
02:10:15.600: Failed to load 'en-GB' text for module: 'mac-capture.so'
02:10:15.609: A DeckLink iterator could not be created. The DeckLink drivers may not be installed
02:10:15.609: No blackmagic support
02:10:15.627: [mac-virtualcam] version=1.3.0
02:10:15.635: Failed to load 'en-GB' text for module: 'mac-vth264.so'
02:10:15.700: obs_register_encoder: Encoder id 'com.apple.videotoolbox.videoencoder.h264.gva' already exists! Duplicate library?
02:10:15.700: [VideoToolbox encoder]: Adding VideoToolbox H264 encoders
02:10:15.719: Failed to load 'en-GB' text for module: 'obs-browser.so'
02:10:15.719: [obs-browser]: Version 2.16.3
02:10:15.719: [obs-browser]: CEF Version 85.0.0-HEAD.2273+g93b66a0+chromium-85.0.4183.121
02:10:15.899: Failed to load 'en-GB' text for module: 'obs-vst.so'
02:10:15.907: Failed to load 'en-GB' text for module: 'obs-x264.so'
02:10:15.916: Failed to load 'en-GB' text for module: 'rtmp-services.so'
02:10:15.968: VLC found, VLC video source enabled
02:10:16.065: Failed to load 'en-GB' text for module: 'advanced-scene-switcher.so'
02:10:16.065: [adv-ss] version: 1.16.4
02:10:16.065: [adv-ss] version: 5dfed8ac2ae27289d79f7900be460188aba747ab
02:10:16.067: [adv-ss] curl loaded successfully
02:10:16.067: [adv-ss] found curl library
02:10:16.096: Failed to load 'en-GB' text for module: 'obs-websocket.so'
02:10:16.096: [obs-websocket] you can haz websockets (version 4.9.1)
02:10:16.096: [obs-websocket] qt version (compile-time): 5.15.2 ; qt version (run-time): 5.15.2
02:10:16.099: [obs-websocket] module loaded!
02:10:16.099: ---------------------------------
02:10:16.099: Loaded Modules:
02:10:16.099: obs-websocket.so
02:10:16.099: advanced-scene-switcher.so
02:10:16.099: vlc-video.so
02:10:16.099: text-freetype2.so
02:10:16.099: rtmp-services.so
02:10:16.099: obs-x264.so
02:10:16.099: obs-vst.so
02:10:16.099: obs-transitions.so
02:10:16.099: obs-outputs.so
02:10:16.099: obs-filters.so
02:10:16.099: obs-ffmpeg.so
02:10:16.099: obs-browser.so
02:10:16.099: mac-vth264.so
02:10:16.099: mac-virtualcam.so
02:10:16.099: mac-syphon.so
02:10:16.099: mac-decklink.so
02:10:16.099: mac-capture.so
02:10:16.099: mac-avcapture.so
02:10:16.099: image-source.so
02:10:16.100: frontend-tools.so
02:10:16.100: decklink-ouput-ui.so
02:10:16.100: decklink-captions.so
02:10:16.100: coreaudio-encoder.so
02:10:16.100: ---------------------------------
02:10:16.100: ==== Startup complete ===============================================
02:10:16.157: All scene data cleared
02:10:16.157: ------------------------------------------------
02:10:16.817: coreaudio: device 'Built-in Microphone' initialized
02:10:16.817: [Loaded global audio device]: 'Mic/Aux'
02:10:16.853: adding 42 milliseconds of audio buffering, total audio buffering is now 42 milliseconds (source: Mic/Aux)
02:10:16.853:
02:10:17.370: [Media Source '1080p.mov']: settings:
02:10:17.370: input: /Users/user/1080p.mov
02:10:17.370: input_format: (null)
02:10:17.370: speed: 100
02:10:17.370: is_looping: yes
02:10:17.370: is_linear_alpha: no
02:10:17.370: is_hw_decoding: yes
02:10:17.370: is_clear_on_media_end: yes
02:10:17.370: restart_on_activate: yes
02:10:17.370: close_when_inactive: yes
02:10:18.117: Video Capture Device: Could not initialize device with unique ID '0x14613000534d2109'
02:10:18.117: [Media Source 'Media Source']: settings:
02:10:18.117: input: srt://srt.example.com:9201
02:10:18.117: input_format:
02:10:18.117: speed: 100
02:10:18.117: is_looping: no
02:10:18.117: is_linear_alpha: no
02:10:18.117: is_hw_decoding: yes
02:10:18.117: is_clear_on_media_end: yes
02:10:18.117: restart_on_activate: yes
02:10:18.117: close_when_inactive: no
02:15:50.161: MP: Failed to seek: Operation not permitted
02:15:50.313: Switched to scene 'LIVE'
02:15:50.315: [adv-ss] trying to reconnect to in 10 seconds.
02:15:50.315: ------------------------------------------------
02:15:50.315: Loaded scenes:
02:15:50.315: - scene 'NONE':
02:15:50.315: - scene 'STARTING':
02:15:50.315: - source: 'VLC Video Source' (vlc_source)
02:15:50.315: - source: 'Logo' (image_source)
02:15:50.315: - source: 'VLC Audio' (vlc_source)
02:15:50.315: - source: 'Welcome' (text_ft2_source_v2)
02:15:50.315: - source: 'SOON' (text_ft2_source_v2)
02:15:50.315: - scene 'BRB':
02:15:50.315: - source: '1080p.mov' (ffmpeg_source)
02:15:50.315: - source: 'Logo 3' (image_source)
02:15:50.315: - source: 'BRB…' (text_ft2_source_v2)
02:15:50.315: - scene 'RECONNECTING':
02:15:50.315: - source: 'Clips' (vlc_source)
02:15:50.315: - monitoring: monitor and output
02:15:50.315: - source: 'low signal / reconnecting' (text_ft2_source_v2)
02:15:50.315: - source: 'Logo 3 2' (image_source)
02:15:50.315: - source: 'low signal / reconnecting 2' (text_ft2_source_v2)
02:15:50.315: - scene 'GOODBYE':
02:15:50.315: - scene 'Test GP':
02:15:50.315: - source: 'Video Capture Device' (av_capture_input)
02:15:50.315: - scene 'TEST':
02:15:50.315: - source: 'test-patterns-tv-test-card-wallpaper.jpg' (image_source)
02:15:50.315: - source: 'Text (FreeType 2)' (text_ft2_source_v2)
02:15:50.316: - source: '1khz' (vlc_source)
02:15:50.316: - scene 'LIVE':
02:15:50.320: - source: 'Logo 2' (image_source)
02:15:50.320: ------------------------------------------------
02:15:50.376: [obs-websocket] WSServer::start: Not locked to IPv4 bindings
02:15:50.377: [obs-websocket] server started successfully on port 4444
02:15:50.377: [obs-websocket] IO thread started.

Anything else we should know?

No response