problems with sync emails from gmail via imapsync

[vtolstov]

Don't fully understand where is the problem

Err 50/50: Host2: flags msg Develop/398 could not add flags []: 11063 NO UpdateMessagesFlags: near ")": syntax error

As I understand this is imapsync problem, but I have errors only on some messages, mostly i can't transfer sub-labeled messages from gmail to maddy. Only top-level labels synced to imap folders.