It's because Apple doesn't want money flowing for content without a cut of the money. Options: You can zap on the person's profile, use the beta version on testflight or use zapple pay.
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Thanks for explaining this! nostr:npub1xrja8ekfnzvecwds4zqzf7zlqlervty7wkyl055t8x0jn93f0rds7xrhk7 literally just told me the same thing 🥵 I thought my brain was just glitching and I was somehow the only one unable to figure out how to zap 😅
