Comment # 1 on bug 1127481 from Stefan Schubert

While calling
2019-02-27 05:12:44 <1> install(3493) [Ruby] lib/cheetah.rb:158 Executing
"/usr/sbin/grub2-mkconfig -o /boot/grub2/grub.cfg".
there are some errors around:
2019-02-27 05:12:47 <1> install(3493) [Ruby] lib/cheetah.rb:158 Executing
"/usr/sbin/shim-install --config-file\=/boot/grub2/grub.cfg".
2019-02-27 05:12:47 <3> install(3493) [Ruby] lib/cheetah.rb:206 Error output:
No valid EFI partition
2019-02-27 05:12:47 <3> install(3493) [Ruby] lib/cheetah.rb:178 Status: 1
2019-02-27 05:12:47 <3> install(3493) [Ruby] yast2/execute.rb:232 Execution of
command "[["/usr/sbin/shim-install", "--config-file=/boot/grub2/grub.cfg"]]"
failed.
Exit code: 1
Error output: No valid EFI partition

Josef, could you please check it ? Thanks !