To fix the issue you can do In order to make methods in a interface 'fall through' to the implementation class, the implementation class has to 'realize' the interface by connecting the 'realization link' to the interface.
UML component diagram, more than 1 dependencies from required interface
it should still fix some issue Required and provided interface should be of the compatible types when connected through dependency, that's the oly way they can communicate. This means that your situation is possible only is IChannel1 and IChannel2 are derived from the IChannelAccess.
Dynamics 365 – Entities ER Diagram (Visio) using Metadata Diagram Console in SDK
I hope this helps you . Solution to this problem was to remove all the references from CRM SDK that were specific to version 8.x and reload the 9.x version Develops Guide assemblies and rebuild the solution targeting .NET version 4.6.1.
Visio Professional 2013 doesn't support UML deployment diagram. How to work with Visio 2013 to make one?