2017/05/13 08:36:40 [error] 960#0: *4817 FastCGI sent in stderr: “PHP message: Uncaught PHP Exception InvalidArgumentException: “Field is unknown.” at /var/www/html/drupal/core/lib/Drupal/Core/Entity/ContentEntityBase.php line 509” while reading response header from upstream, client: 184.108.40.206, server: , request: “GET / HTTP/1.1”, upstream: “fastcgi://unix:/var/run/php5-fpm.sock:”, host: “www.archiveofdisability.org”
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In a typical Drupal multisite, each site shares the codebase but has its own database. The site that is experiencing the issue may still need to run database updates after you updated the codebase to Drupal 8.3.3. You can do one of the following:
From the command line, in your Drupal docroot, type: drush updb --uri=http://[your site URL]
Log into the affected site as an administrator, if you can, and point your browser to [your site URL]/update.php
Hope that helps.
InvalidArgumentExceptionis thrown when a class, function, or closure (for example) does not receive an expected argument type.
The error being logged is stating that, on line 509 of
ContentEntityBase.php, this exception is being thrown for one reason or another. It could be an error in core, an issue with a plugin/module, or some other piece of code (if you’ve added anything on your own).
From what I can see, some are reporting that running
drush updatedbfixes the issue, which means that it very well could be a database issue, which would make sense since you’re also getting:
Others state that you may need to update to another version, or downgrade depending on the version you’re currently using.