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When using the QGIS Graphical Modeller for automatic workflows, is there a way to overwrite existing files and, even better, overwriting existing files currently loaded as layer in QGIS?

Just to clearify, I use the Modeller to load a.gpkg, process and output it as b.gpkg. When b.gpkg exists already, QGIS throws an error message and only after I deleted b.gpkg, it is possible. Is there a little setting in the Modeller I've missed?

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  • You could save the output to a separate, temporary folder and when done, tell the model to close the project, delete the old files and copy/paste the files from the temporary folder to the one you want
    – Babel
    Commented Feb 2, 2023 at 9:36

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I had a problem with a export to Geopackage as well. I couldn't find a proper solution. I just saved the output to a geojson file. When running the modeler it would overwrite the file. Don't know if this helps for you as well.

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