"Self Signed Certificate" and "socket hang up " error message

[KosoTheOne]

HEllo,

i cant get it to work.. i'll get the 2 messegaes from the title..in both ways.. together or single..

module: 'MMM-HomeAssistantDisplay',
position: 'top_center',
config: {
host: "XXXX",
token: "XXXX",
port: 8123,
useTLS: false,
ignoreCert: true,
title: "Open Windows",

even if i remove the certificates from HA i'll get those messages.
Can everybody give me a hint?

Greetings.