When loading a project in Sonar that uses drum maps, the drum maps are no longer working on playback. In the drum map manager, no output is listed in the port/channel section. Simply reassigning one drum note to its out port again fixes the problem (for all notes). But the instrument is lost again when saving the project and loading it later.
 
This problem is new in the E-release.

+1!
Returned to previous version.

Didn't know save don't work thanks what I do is reselect my drum map and everything work didn't reload projects until I read your post and one has to do it again reload drum map each time you open projects.

I see an output in the Drum Map Manager, but there is no playback. The MIDI simply doesn't make it through to the VSTi. I can open up the VSTi and trigger it manually so the rest of the routing is fine.

I came here to report this same exact problem. Reassigning a note fixes the issue, but once the project is reloaded, it happens again.
 
How do I roll back to the previous version?

Vern C
I came here to report this same exact problem. Reassigning a note fixes the issue, but once the project is reloaded, it happens again.
 
How do I roll back to the previous version?

Open Command Centre and right click on Sonar.