Hi Alexander,
I moved to new version 26.5 and here my results:
Please see:
Test data(input/output/QGIS)
5477 Gml-Kmz.zip (74.2 KB)
Thanks,...Bug 5477:Gml to Kmz- Conversion succeeded, output in QGIS - Empty...data(input/output/QGIS) 5477 Gml-Kmz.zip (74.2 KB) Thanks, Alexander...