Bugs with CSV import (Pokemon Ascended Heroes)

I don’t know if this is set specific, but previous imports worked fine. Now it gives 63 invalid items out of 156. Most of which, cards are in de database and named and numbered correctly. They don’t have a red error message underneath. So as Im checking the invalid items via the pen icon, I see that they are in the database, but when I add them, it remains invalid for some reason.

Also, card numbers 1 to 8 give an incorrect error ‘duplicate entry’, but that is probably because the energy cards (also numbered 1 to 8) are in de same dataset. So both card types give that error.

Also missing cards:

Gengar ex #269 Foil/any

Charmander #020 Foil

Gastly #123 Foil

Thanks in advance!