I am positive it's not user mistake, since the recovery phrase was present in two distinctive areas: backed up in a file on S3, and printed on the bit of paper. An additional advantage of BIP39 is its user-pleasant design and style. By offering a structured list of words, BIP39 https://bookmark-group.com/story4435679/the-fact-about-valid-bip39-seed-phrase-that-no-one-is-suggesting