Bip39 checksum failed https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727 Although it works by using BIP32 approach you may nonetheless import BIP39 seeds into Electrum wallet. Also aside from BIp32 You can find BIP44 Edition which some wallet use with the generation of seeds. Each word’s initial 4 people are unique... https://socialwoot.com/story21996877/bip39-ozon-5-tips-about-bip39-checksum-you-can-use-today-https-cutt-ly-uryc5rw7