I have the following error when trying to update from beta 10 to 11. Running script rebuild.php fails to correct problem.

The website encountered an unexpected error. Please try again later.
Drupal\Component\Plugin\Exception\PluginException: Plugin (author) instance class "Drupal\metatag\Plugin\metatag\Tag\Author" does not exist. in Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass() (line 97 of core/lib/Drupal/Component/Plugin/Factory/DefaultFactory.php).

Comments

leecjus created an issue. See original summary.

DamienMcKenna’s picture

DamienMcKenna
Location NH, USA
CreditAttribution: DamienMcKenna at Mediacurrent commented

The Author meta tag was moved to the Metatag Google Plus module, if you were specifically using it then you'll need to enable that submodule.

DamienMcKenna’s picture

DamienMcKenna
Location NH, USA
CreditAttribution: DamienMcKenna at Mediacurrent commented
Parent issue: » #2829190: Plan for Metatag 8.x-1.0-beta12
DamienMcKenna’s picture

DamienMcKenna
Location NH, USA
CreditAttribution: DamienMcKenna at Mediacurrent commented
Status: Active » Postponed (maintainer needs more info)

Did you have any "Author" meta tag values saved anywhere?

DamienMcKenna’s picture

DamienMcKenna
Location NH, USA
CreditAttribution: DamienMcKenna at Mediacurrent commented
Parent issue: #2829190: Plan for Metatag 8.x-1.0-beta12 »
DamienMcKenna’s picture

DamienMcKenna
Location NH, USA
CreditAttribution: DamienMcKenna at Mediacurrent commented
Status: Postponed (maintainer needs more info) » Closed (cannot reproduce)