Based on the existing answers and the question, it appears that you are trying to import an account into a wallet, but the import is failing. The first answer suggests that the key you provided is invalid, while the second answer suggests that you followed the video instructions. The third answer suggests that you need a mnemonic and to select a default account. The fourth answer suggests that you need to use a seed phrase, not a private key, and to watch the video to the end. To resolve this issue, you should watch the video to the end to ensure that you are entering the correct information. Make sure that you are entering a valid seed phrase, not a private key, and that you select a default account. If you are still having trouble, double check the information you are entering to make sure it is correct.
