Translation:
I still don’t understand why the stems in the percussion kits don’t follow what is specified in the kit, and in addition to forcing the stems one up and one down in the slurred notes.
I don’t understand anything and I’ve been trying for a long time !!!
Can you attach a simple example project that demonstrates the issue you’re experiencing? It’s almost impossible to guess what might be happening, but it’ll be easy to tell what’s actually happening if you can provide the project itself. A small reminder about how you can make it easier for us to help you: