Running BTT v6.640
@Andreas_Hegenberg you should remove the Value field from Send MIDI Command/207(Program Change):
The Program Change message must have only the program number and the channel
Running BTT v6.640
@Andreas_Hegenberg you should remove the Value field from Send MIDI Command/207(Program Change):
The Program Change message must have only the program number and the channel
thanks for reporting, should be resolved in 6.645!
Confirmed, fixed in 6.645