Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Infineon/XMC4300/PBA0/STS#0x0
WERR=value1
Peripheral Bridge Status Register
Bufferable Write Access Error
0 (value1): no write error occurred.
1 (value2): write error occurred, interrupt request is pending.
https://github.com/cmsis-svd/cmsis-svd-data