Problem IMAP Gmail account

Since today i have a problem a imap gmail problem with EM Client.
I attach pic.

In sum, i do NOT have all the emails in the folders of gmail server has. from december 2017 to 2018 of march no mails in EM client folders that in gmail server exists.

I do not know how to solve that. I didnt change anything of any congifuration.

Pleas need help.

Thanks

Something that may work is to remove the account from eM Client, then add it again. You can do that in Menu > Tools > Accounts. Click on the bin icon next to the account. Once the account is deleted, you can add it again by clicking on the + icon in the bottom left of that window.