Error install kopano-core 8.3 from app center

I have a problem with install kopano from app center.
The message is:


Error performing the action

The requested action cannot be carried out. Please consider the information listed below in order to resolve the problem and try again.
The following software changes on this host will be applied: 2 packages are erroneous

More information...
This operation causes problems in the following packages that cannot be resolved:


Hi @f.pigliacelli,

whenever i’ve seen this error before it went away when simply restarting the app installation.