Invalid Bip39 Phrase Even though it makes use of BIP32 strategy you may continue to import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There's BIP44 version which some wallet use for your generation of seeds. One particular set of mnemonic can be employed to develop many addresses. https://topsocialplan.com/story4019968/iancoleman-bip39-mnemonic-code-bip39-word-list-secrets