What I did to make it work satis again on my TwooTrees Saphire Pro with MKS Robin Nano V1.2 !

Downgraded klipper with Kiauh 50 stepps to Version v0.13.0-543
built a new flash with this last working verion I could find “there might be others” !
with the familiar comands

MCU stm32f103xe MKS Robbin nano V1.2
72 MHz
Klipper firmware v0.13.0-543-ga44e905f

Mcu Host Information
linux
50 MHz
Klipper v0.13.0-190-g5eb07966

1. cd /klipper
2. make menuconfig
3. make clean
4. make
5. ./scripts/update_mks_robin.py out/klipper.bin out/Robin_nano_35.bin
6. transfer to sd card
7. Turn off printer, insert sd card, power on printer,
   take a deep breath and hold your thumbs!
8. Upgrade to latest klipper version in Fluidd/Mainsail