Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32u5/STM32U575/OTG_FS/HCTSIZ11#0x0
OTG host channel 11 transfer size register
XFRSIZ
PKTCNT
DPID
DOPNG
https://github.com/modm-io/cmsis-svd-stm32