416 Range Not Satisfiable

There's nothing at that bit.

What it properly means

The range given in the Range header cannot be fulfilled, usually because it is outside the size of the target resource's data.

Class
4xx Client error: you fucked up
Defined in
RFC 9110, section 15.5.17

Get one yourself

This endpoint really answers with 416. Point your client at it and see what it does.

curl -i https://httpcodes.dev/api/416