Tried both the stable and the latest nightly rpi4 version,
and tried clearing the cache folder and the folders of downloaded versions, from 'AppData\Local\Emteria\Emteria.OS Installer', still the same error.
At the end of the log file:
+03:23 (, 0) Processing partition "misc" using LBA of 6944768
+03:23 (, 0) Size determined from zip: 4194304
+03:23 (, 0) Partition will occupy 8192 sectors
+03:23 (, 0) Processing partition "cache" using LBA of 6952960
+03:23 (, 0) Size determined from zip: 536870912
+03:23 (, 0) Partition will occupy 1048576 sectors
+03:23 (, 0) Processing partition "userdata" using LBA of 8001536
+03:23 (, 0) Size determined from zip: 0