https://mclo.gs/CyN0X8G

good afternoon lately the protocollib has been giving errors and the error I'm talking about is in that link to put the complete error I'm not right-handed in github so I do it this way
i want to solve

You're using 1.19.4 and I don't know if it is supported at all right now.

But for 1.19.3 and maybe also 1.19.4 you need to use the latest dev build as described here: https://www.spigotmc.org/resources/protocollib.1997/