Secret Key refused by wallet

Why is my saved secret key not accepted by the wallet?

A proper secret key

A key generated by Leather has 24 words, when inputting make sure:
  • The words are on one line,
  • with a single space between words,
  • The words are in English from the BIP39 word list.
  • If you are copy/pasting it into the wallet, make sure it is in plain text.