Copying the same nuts emoji in nostr:nprofile1qqsraldwhvwcjgltmxwfu7kw8dqef2692yhzheuurd7k3kfy8cxjdqgpr9mhxue69uhhq7tjv9kkjepwve5kzar2v9nzucm0d5q3qamnwvaz7tmwdaehgu3wwa5kuegml5n2g gives the same invalid string.
Discussion
Yeap, is a Primal issue
Strange because dez nuts work… https://primal.net/e/note1tctfa02yyzn8k4jgv5w0xkg7uymmhzsrx0a4yc5j8t557d0p594q00kuqf