Can someone help me understand these messages?

Submitted by Thomas Henry on
Forums
Qtractor

Hello All,

I wonder if some kind person can help me understand these three warning messages? Here's the first which pops up when first starting Qtractor:

And here is the second which pops up when loading in a project which uses the ACE Fluidsynth plugin:

And the third:

I'm fairly new to Linux, and very new to music production with Qtractor, as you can probably tell. So, I'd like to understand what these messages are telling me.

Thank you!