PIXHAWK CONFIG_ERROR: fix problem then reboot

Hello everyone,
I need help to know what should happening in pixhawk 2.4.8
i am try to interfacing the board with mission planner mission planner shows that error
and i upload the firmware thats shows ERROR - No response from board
Screenshot 2023-09-06 104700
Screenshot 2023-09-06 104804
Boards main led is no blinking
also i changed the baud rate 9600 to 57600
Mission Planner Versions-1.3.80 arducopter v4.4.0
Flight Controller -Pixhawk 2.4.8
Multicopter