How to program STM32WB dongle

Error

14:24:08 : Time elapsed during download operation: 00:00:00.826

14:24:08 : Verifying ...

14:24:08 : Read progress:

14:24:08 : Error: Data mismatch found at address 0x08000000 (byte = 0xE0 instead of 0x00)

14:24:08 : Error: Download verification failed

14:24:09 : RUNNING Program ... 

14:24:09 : Address: : 0x080FF100

14:24:09 : Error: Start operation failed