Sync issue

what should I do…
I’ve been struggling for a few hours because of this…
I was frustrated after doing this

In the end, it was resolved by re-installation. I thought that synchronization has improved a lot, but there are still some unstable parts ㅠㅠ

Hello

Sorry for the inconvenience - there recently appears many 503 errors - we are working on it.

Kind Regards,
MarginNote-QSD
Support Team