Intern error no file named for avt-nvidia-l4t-bootloader:arm64

[m.tahri]

Hi
I have a jetson nano div kit 4GB i flashed on it the jetpack 4.6.1 so i use it to connect a CSI-2 camera from Allied vision i have adabter board between the camera and the jetson board ofc. when instatlling the driver provided by allied vision in thier github page

Release L4T-32.7.1-4.0.0 · alliedvision/linux_nvidia_jetson

i faced this error

i tried to do the upgrade sudo apt-get upgrade still the same problem with the bootloader
am new to all of the linux and the jetson nano things so i hope you take it easy on me.
thnak you.

[ShaneCCC]

Due to install customized driver cause the problem. I would suggest consult with vendor to get supported.

Thanks

[m.tahri]

thank you for your relpy
i will consult the vendor buti still wondering if this customized driver could cause this similar error by system upgrade ?
thanks