Bip39 checksum failed https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure Despite the fact that it uses BIP32 process it is possible to continue to import BIP39 seeds into Electrum wallet. Also aside from BIp32 There exists BIP44 Model which some wallet use for the technology of seeds. Because of the cryptographic design and style of BIP-39, https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727