wen I join a server I get this "Exception: java.io.IOException: Connection reset by peer"

hi I can't join Minecraft servers in20w07a I get this error "Exception: java.io.IOException: Connection reset by peer" the server variation is 20w07a and it is hosted om my network

can I fix it on my client or it is a problem whit Minecraft because my brother that host the server docent have the problem