When. Have mods on My worlds people cannot join me says it has connection Issues and when there is no Mods thta Then There able to join

When people want to join me when I have mods on they can’t but when I take them off they can join me just fine but when I have mods on it’s says I have connection issues but everything is fine there is no connection problem because people are able to join me but if I have any mod or any sort of add on the my friends can’t join me