BUG - eM Client Keep freezing while loading email contain

eM Client keep freezing on me, while loading an email contant.
The Log say:
13:25:01   MailClient.Storage.Application.ItemOperationException: Modified occurrence is crossing or overlapping adjacent occurrence.

It render me unable to use em Client since.

Using eM Client v.7.1.30794.0
On Update to date Windows 10 Pro - 
On a Dell Laptop

I’ve resolved my problem. I remove the faulty account and added it again and it fix the problem.