https://firmware-selector.openwrt.org/ don't allow to create custom sysupgrade
Owut return error
owut upgrade
ASU-Server https://sysupgrade.openwrt.org
Upstream https://downloads.openwrt.org
Target lantiq/xrx200
Profile avm_fritz7490-micron
Package-arch mips_24kc
Version-from 25.12.4 r32933-4ccb782af7 (kernel 6.12.87)
Version-to 25.12.5 r33051-f5dae5ece4 (kernel 6.12.94)
46 packages are out-of-date
There are 0 missing and 1 modified default packages
--
Status: Error: Internal Server Error
Progress: 0s total = 0s in queue + 0s in build
Build failed in 0s total = 0s in queue + 0s to build:
ERROR: Build failed with status 500 (--version-to 25.12.5 --device lantiq/xrx200:avm_fritz7490-micron:squashfs)
The above errors are often due to the upgrade server lagging behind the
build server, first suggestion is to wait a while and try again.