Bip39 checksum failed https://felixkkjt585.theglensecret.com/bip39-word-checklist-generator-crafting-your-own-special-seed-phrase Though it works by using BIP32 approach it is possible to still import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 Edition which some wallet use with the technology of seeds. The BIP39 word list is often a set of 2,048 diligently https://onelifesocial.com/story6032405/bip39-add-private-key-the-smart-trick-of-bip39-wallet-that-no-one-is-discussing-https-dzen-ru-bip39-phrase-com