Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32G474xx/HRTIM_Common/ADCPS2#0x0
HRTIM ADC Post Scaler Register 2
ADC6PSC
ADC7PSC
ADC8PSC
ADC9PSC
ADC10PSC
https://github.com/cmsis-svd/cmsis-svd-data