Error: self signed certificate

[Pavanr96]

While starting the magic mirror, I get below error, any idea what's wrong?

[LOG] Email notifier error: Error [ERR_STREAM_DESTROYED]: Cannot call write after a stream was destroyed
at doWrite (_stream_writable.js:399:19)
at clearBuffer (_stream_writable.js:542:7)
at Socket.Writable.uncork (_stream_writable.js:338:7)
at JSStreamSocket.doWrite (internal/js_stream_socket.js:171:17)
at JSStream.onwrite (internal/js_stream_socket.js:28:57)
at Socket.ondata (internal/js_stream_socket.js:72:22)
at Socket.emit (events.js:315:20)
at addChunk (_stream_readable.js:295:12)
at readableAddChunk (_stream_readable.js:271:9)
at Socket.Readable.push (_stream_readable.js:212:10) {
code: 'ERR_STREAM_DESTROYED',
source: 'socket'
}
[14.07.2021 22:05.26.324] [ERROR] Whoops! There was an uncaught exception...
[14.07.2021 22:05.26.331] [ERROR] Error: self signed certificate
at TLSSocket.onConnectSecure (_tls_wrap.js:1501:34)
at TLSSocket.emit (events.js:315:20)
at TLSSocket._finishInit (_tls_wrap.js:936:8)
at TLSWrap.ssl.onhandshakedone (_tls_wrap.js:710:12)
at Socket.ondata (internal/js_stream_socket.js:72:22)
at Socket.emit (events.js:315:20)
at addChunk (_stream_readable.js:295:12)
at readableAddChunk (_stream_readable.js:271:9)
at Socket.Readable.push (_stream_readable.js:212:10)
at TCP.onStreamRead (internal/stream_base_commons.js:186:23) {
code: 'DEPTH_ZERO_SELF_SIGNED_CERT',
source: 'socket'
}
[14.07.2021 22:05.26.334] [ERROR] MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
[14.07.2021 22:05.26.336] [ERROR] If you think