VC4 errors with Orbiter O2 toolboard

I'm having some trouble getting the Orbiter O2 toolboard to work on my VC4 300 Hybrid. Ordered kit from Ratrig but using an Octopus Pro 723 V1.1, Rpi4, Beacon H, and Orbiter toolboard. I'm able to see all deviced over USB and have flashed them to the latest firmware, started on RC2.1. I'm not sure all the pin names are defined correctly, may have a hotend fan and heater pin mixed up. However, I get the following error "unknown pin chip name '!toolboard_t0'" I've been looking into this for a couple weeks and have been unsuccessful. I've had another discussion in the Fix My Printer channel. Any assistance on this would be greatly appreciated!
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