I get the same thing. Been trying to troubleshoot and failing miserably.
Could someone help me please. I’m trying to change my wallet on #Nostr via nostr:npub18m76awca3y37hkvuneavuw6pjj4525fw90necxmadrvjg0sdy6qsngq955 and when I click on Attach Wallet, I get this error message. How do I fix this? 
I get the same thing. Been trying to troubleshoot and failing miserably.
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