The command itself doesn't output any error, but starting OBS just after executing the command triggers the following :
warning: The Wayland connection broke. Did the Wayland compositor die?
warning: Attempting wayland reconnect
warning: Failed to write to the pipe: Bad file descriptor.
info: adding 21 milliseconds of audio buffering, total audio buffering is now 21 milliseconds (source: Desktop Audio)
warning: [pipewire] Failed to start screencast, denied or cancelled by user