Unable to read TMC uart stepper_Y ,

Basic Information:

Printer Model: artillery x1 to switchwire
MCU / Printerboard: mks robin nano V3.2
Host / SBC Pi 4
klippy (8).log (835.5 KB)

klippy.log

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Describe your issue:

new rebuild
stepper_buzz seems to operate stepper_x and the extruder(on canbus)
homing leads to shutdown uart error
dump_tmc > Unable to read tmc uart ‘stepper_z’ register GCONF
I have jumpers on M2 (green side)
uart pins x=PD5 , y=PD7 , z=PD4

I’m not sure if I should be looking at my .cfg or jumpers on the board ??

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