Hi Alexander,
I moved to new version 26.5 and here my results:
Please see:
Test data(input/output/QGIS)
5216-Shapefile-GeoPackage.zip (855.2 KB)
Thanks,...Bug 5216: Shapefile to GeoPackage- Conversion succeeded, output...2026, 7:42am 9 I reproduce this bug. There is some problem with srs...