Bip39 invalid mnemonic https://rylanmecp341.wpsuo.com/bip32-vs-bip39-which-is-better-for-your-copyright-demands Though it works by using BIP32 process it is possible to even now import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 version which some wallet use for that era of seeds. BIP39 solves this through the use of human-readable seed phrases https://bookmark-nation.com/story19684097/bip39-spec-a-secret-weapon-for-bip39-mnemonic-code-converter-tool-https-cutt-ly-uryc5rw7