Hit:1 http://deb.devuan.org/merged beowulf InRelease
Hit:2 http://deb.devuan.org/merged beowulf-security InRelease
Hit:3 http://deb.devuan.org/merged beowulf-updates InRelease
Reading package lists... Done
N: Skipping acquire of configured file 'main/binary-sdklfflj/Packages'
as repository 'http://deb.devuan.org/merged beowulf InRelease' doesn't
support architecture 'sdklfflj'
N: Skipping acquire of configured file 'main/binary-sdklfflj/Packages'
as repository 'http://deb.devuan.org/merged beowulf-security
InRelease' doesn't support architecture 'sdklfflj'
N: Skipping acquire of configured file 'main/binary-sdklfflj/Packages'
as repository 'http://deb.devuan.org/merged beowulf-updates InRelease'
doesn't support architecture 'sdklfflj'

Any idea on what needs to be fixed/changed?

Also, I guess the discover version include with the package is too old
and full of bugs (doesn't work), they recommend updating it. Can you
update it. I don't want to get too far ahead as due to code bloat
which is why I'm on beowulf level for gcc.