I'm confident it's not user error, Because the recovery phrase was located in two unique destinations: backed up within a file on S3, and printed with a bit of paper. Standard recovery phrases use a specific list of 2048 words next the BIP39 standard (Bitcoin Advancement Proposal 39). You could https://bookmarkdistrict.com/story18709179/5-simple-techniques-for-bip39-word-list-pdf