Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32F107xx/USB_OTG_DEVICE/DOEPINT1#0x0
device endpoint-1 interrupt register
XFRC
EPDISD
STUP
OTEPDIS
B2BSTUP
https://github.com/cmsis-svd/cmsis-svd-data