For Generic i.e. the update file is listing LibreELEC-Generic.x86_64-9.2.[0234].{tar|img.gz] on releases.libreelec.tv, but only LibreELEC-Generic.x86_64-9.2.4.{tar|img.gz] are available.
sry I do not understand what is not working, not sure what you try to explain
the release server currently hold these files