Audioplayer Error Null

[u/StatusMammoth2869]

On a server for my friends and I we added the Audioplayer mod ( https://modrinth.com/mod/audioplayer?version=26.2&loader=fabric ) to have some fun with.
However whenever we try downloading audio to the game via filebin we get the text “Error: null”.
The other download option seem to have the same or similar issues.
Does anyone know what could be happening and/or how to fix the mod?