diff -u b/core/lib/Drupal/Core/Entity/ContentEntityBase.php b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
--- b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityBase.php
@@ -631,7 +631,7 @@
       if (isset($this->values[$field_name][$this->activeLangcode])) {
         $field_values = $this->values[$field_name][$this->activeLangcode];
       }
-      elseif ($this->values[$field_name][LanguageInterface::LANGCODE_DEFAULT]) {
+      elseif (isset($this->values[$field_name][LanguageInterface::LANGCODE_DEFAULT])) {
         $field_values = $this->values[$field_name][LanguageInterface::LANGCODE_DEFAULT];
       }
 
@@ -640,10 +640,10 @@
         // Configurable/Multi-value fields are stored differently, try accessing
         // with delta and property first, then without delta and last, if the
         // value is a scalar, just return that.
-        if (isset($field_values[0][$property]) && is_array($field_values[0])) {
+        if (is_array($field_values[0]) && isset($field_values[0][$property])) {
           return $field_values[0][$property];
         }
-        elseif (isset($field_values[$property]) && is_array($field_values)) {
+        elseif (is_array($field_values) && isset($field_values[$property])) {
           return $field_values[$property];
         }
         elseif (!is_array($field_values)) {