Roland Guitar Synth Driver question


The GR-55 driver is installed but when I select the driver in Sonar, all other drivers are disabled. When all my MOTU interface drivers are active and working in a new Sonar project, the GR-55 is disabled and can't be selected.

This means I can't add a Guitar Synth track to an existing project. (driver disabled)
And if I have the synth working in a project I can't use any of the other MOTU interface drivers (all disabled)

It's all or nothing. Does anyone know the solution to this?

Thanks - rev

Win 10 1903, Sonar 8.5.3