Invalid Bip39 Phrase While it makes use of BIP32 approach it is possible to continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There may be BIP44 Edition which some wallet use to the era of seeds. This system will continually generate seed phrases and Check out https://thesocialintro.com/story4057969/12-word-seed-phrase-generator-with-balance-seed-phrase-generator-an-overview