It looks like you may have encountered an error while using the Drupal content management system. The specific error message you provided indicates that there is a compatibility issue with the fetchAll() method of the Drupal\Core\Database\Statement class and the corresponding method in the PDO Statement class.
To fix this error, you will need to modify the fetchAll() method in the Drupal\Core\Database\Statement class so that it is compatible with the corresponding method in the PDO Statement class. This may involve changing the method signature to match the signature of the PDO Statement method, or it may involve modifying the method to handle the arguments in a way that is compatible with the PDO Statement method.
It is important to note that this is a technical issue that may require the assistance of a developer or someone with experience working with the Drupal content management system. If you are not familiar with coding or debugging techniques, it is recommended that you seek the help of someone who has the necessary skills and expertise.