Bip39 is not defined https://send.now/zchzg5fu4oku This really is why you need to come up with a backup of the seed phrase applying metal copyright wallet like Coinplate, which can be 100% stainless steel and BIP39 compatible. Such as, if you at first build your wallet and produced seed using Ledger https://bookmark-vip.com/story20714669/bip39-mnemonic-example-examine-this-report-on-bip39-vs-slip39-https-x-com-tundra838554