Features Manager crash due to type array

Ignore this. It turned out to be related to a missing configuration in CAPTCHA 2.0 which we were updating manually, which got caught in the Features page due to it searching for that particular configuration which was missing.

catapipper → closed merge request !32

Found this error, while the ticket is closed because OP took the Blame, this event and error happened to me.

I fixed it by adding an check in the Loop of contributed feature manager class method initConfigCollection

line 2040

if(!$data){
            \Drupal::messenger()->addError($this->t('Configuration item @name could not be read from storage.', ['@name' => $name]));
            continue;
          }

This will let the features page load and point you to the corrupted configuration.