I believe it is the same or similar issue to the one posted here:
https://itch.io/t/1728187/cant-install-some-games-on-the-app-not-recognized-as-o...
Games I have purchased from bundles are available to download manually by going to the bundle then download page, but the itch app only offers Buy Now and does not recognize that it is tied to my account, despite previously downloading and playing the title. Is there a way to correct this?