this might help…
from GA 5 online manual:
Using Different MIDI Channels/Ports for Instrument Pads and Pattern Pads
By default, instrument and pattern pads share the same MIDI port. If instrument and pattern pads are both assigned and share the same trigger note, the pattern pad always gets priority, therefore, instrument pads that use the same trigger note as a pattern pad cannot be played via the same MIDI port.
In this case, you have two options: You can set up a different MIDI port or a different MIDI channel for the pattern pads.
→ You will find these options below the Pattern pads