I'm trying to export a layer which is a geopackage consisting of many linestring shapes. However when I try to export, I get the below error message.
How to solve this issue?
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1If you have an existing field named fid it can cause problems when exporting to gpkg. Try exporting using Refactor Fields and remove the fid field – BERA Sep 11 '23 at 12:24
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Alternatively, uncheck the fid field in the export dialog. That forces a rebuild of fid in the output. – Stu Smith Sep 11 '23 at 23:16
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See https://gis.stackexchange.com/a/400741/88814 – Babel Nov 02 '23 at 22:38