Hello,
I'm having trouble importing my collection from a tcg export. Despite several attempts, I keep encountering errors. Additionally, when I try to search for specific cards manually, the screen goes blank after I find them and click on them. I also noticed that there is a number 2 on the top left of some cards, even though I haven't added them to my collection yet. I think the issue may be linked to an import I tried to do because I have noticed some of the cards I search have NAN as the number in my collection. The NAN will appear in either count and or foil count.
Can you share the file you tried to import? Also can you send me your colelction.ugs (exported from settings page/save collection) to david@catuhe.com?