Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32f0/STM32F0x2/NVIC/IPR6#0x0
Interrupt Priority Register 6
PRI_240
PRI_241
PRI_242
PRI_243
https://github.com/modm-io/cmsis-svd-stm32