Since my email is IMAP, I did this in order to free some space, but now my address book is not working anymore. I lost some entries and I cannot add anymore new contacts to it, launching thinderbird from the terminal, when I click to the star icon next to an email address to add it to the address book nothing happens and there is this error:

NS_ERROR_ILLEGAL_VALUE: Component returned failure code: 0x80070057 (NS_ERROR_ILLEGAL_VALUE) [nsIAbDirectory.addCard]

How can I solve it ?

  • 1
    Uninstall, clean folders and reinstall TB, conserving address book.
    – harrymc
    Sep 7, 2020 at 14:06

1 Answer 1


@rok, please file a bug report. Thanks.

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