Update form not updating

This update form has bugged me for two days, Can’t figure out what I’m doing wrong: Either it updates, and removes all field values in the updated record (those present in the form), or it doesn’t update at all. And no errors visible in developer tools in browser. I have tried remaking the form, import all the fields to actionsteps. global and followed the tutorials found in the forum. Anyone got any ideas? Page link here.

https://tw60.transportsystemerjohnnysolberg-321a.websitebuilder.no/turer_vis.aspx?ordreid=760981&turid=448812&bilid=9

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