I'm receiving this error when viewing the node display form for a node with a Name field. This error occured after setting the field labels to 'hidden'.
Full error
Notice: Undefined index: in Drupal\name\Plugin\Field\FieldFormatter\NameFormatter->settingsSummary() (line 225 of modules/contrib/name/src/Plugin/Field/FieldFormatter/NameFormatter.php).
Closed: duplicate
1.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
This is a duplicate of 🐛 Can't load content type display edit page with name field enabled Needs work .
Issue is caused by installing 'Name Field' before name.generate.examples was added to the project.
Since the project was pre-stable release, a hook_update_N() could not be used.