Not able to send Target Information in STM32 Cube Programmer

[Rsrma.1]

Hii Everyone,

I'm writing the STM32 DFU bootloader code for stm32f407VG. I configured USB in FS speed and DFU mode and rest are in default configuration.

It is able to communicate with STM32 Cube Programmer and I'm able to read memory also but the problem is it's not sending the Board Id and therefore Target information block is empty.

I've attached the log file also.  

[Rsrma.1]

@Community member​ , Do you have any idea How can I send the Device ID in DFU mode?