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I'm trying to load a world on Webots, but I've been having trouble downloading the required assets.

Whenever I load the desired world, a pop-up appears saying "Downloading assets 0%", before getting the following error message:

ERROR: Error downloading EXTERNPROTO 'CorrodedMetal': Cannot download 'https://raw.githubusercontent.com/cyberbotics/webots/50c3f419b5da49a2af606297049ee91e8adbc92e/projects/appearances/protos/CorrodedMetal.proto', error code: 5: Operation canceled
ERROR: Error downloading EXTERNPROTO 'Wall': Cannot download 'https://raw.githubusercontent.com/cyberbotics/webots/50c3f419b5da49a2af606297049ee91e8adbc92e/projects/objects/apartment_structure/protos/Wall.proto', error code: 5: Operation canceled
ERROR: File 'https://raw.githubusercontent.com/cyberbotics/webots/50c3f419b5da49a2af606297049ee91e8adbc92e/projects/objects/apartment_structure/protos/Wall.proto' is not readable.
ERROR: File 'https://raw.githubusercontent.com/cyberbotics/webots/50c3f419b5da49a2af606297049ee91e8adbc92e/projects/appearances/protos/CorrodedMetal.proto' is not readable.
ERROR: 'C:/Users/OBR/Downloads/erebus-v23.0.5/game/protos/worldTile.proto':53:23: error: Skipped unknown 'CorrodedMetal' node or PROTO.
ERROR: 'C:/Users/OBR/Downloads/erebus-v23.0.5/game/protos/worldTile.proto':53:23: error: Skipped unknown 'CorrodedMetal' node or PROTO.
INFO: MainSupervisor: Starting controller: python.exe -u MainSupervisor.py

I've tried disabling my firewall already, but the error doesn't go away. It's worth noting that I have a computer company, which might have some network-mandated firewall (I am not sure if this is relevant).

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  • $\begingroup$ download the file using a web browser and examine it $\endgroup$
    – jsotola
    Mar 25 at 22:54

1 Answer 1

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Such a problem is likely caused by a firewall. To work around the issue, I recommend that you download the assets as explained in this answer.

Disclaimer: I am a Webots developer working at Cyberbotics.

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