error switching concentrator in DFU mode

[JohnN193]

Hello, trying to setup a WM1302 USB Gateway and I am hitting the following error dfu-util: Last page at 0x08008b8b is not writeable when running the dfu-util command

here are the full logs. tried it on a raspberry pi4 and pi5 if that is helpful.

sudo dfu-util -a 0 -s 0x08000000:leave -t 0 -D ../mcu_bin/rlz_010000_CoreCell_USB.bin -v
dfu-util 0.11

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2021 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

libusb version 1.0.26 (11724)
dfu-util: Warning: Invalid DFU suffix signature
dfu-util: A valid DFU suffix will be required in a future dfu-util release
Opening DFU capable USB device...
Device ID 2886:0047
Device DFU version 011a
DFU attributes: (0x0b) bitCanDnload bitCanUpload bitWillDetach
Detach timeout 255 ms
Claiming USB DFU Interface...
Setting Alternate Interface #0 ...
Determining device status...
DFU state(2) = dfuIDLE, status(0) = No error condition is present
DFU mode device DFU version 011a
Device returned transfer size 1024
DfuSe interface name: "Internal Flash  "
Memory segment at 0x08000000  19 x 2048 = 38912 (r)
Memory segment at 0x08009800 237 x 2048 = 485376 (rew)
Downloading element to address = 0x08000000, size = 35724
dfu-util: Last page at 0x08008b8b is not writeable