diff --git a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
index c8b0e4a..3cfc34b 100644
--- a/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
+++ b/core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
@@ -9,7 +9,6 @@
 
 use Drupal\Component\Utility\String;
 use Drupal\Core\Database\Connection;
-use Drupal\Core\Database\DatabaseExceptionWrapper;
 use Drupal\Core\Entity\ContentEntityTypeInterface;
 use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Entity\EntityStorageException;
@@ -1090,15 +1089,7 @@ protected function createSharedTableSchema(FieldStorageDefinitionInterface $stor
           $schema[$table_name] = $this->getSharedTableFieldSchema($storage_definition, $table_name, $column_names);
           if (!$only_save) {
             foreach ($schema[$table_name]['fields'] as $name => $specifier) {
-              try {
-                $schema_handler->addField($table_name, $name, $specifier);
-              }
-              catch (DatabaseExceptionWrapper $e) {
-                // @todo In some cases a "Data truncated for column" exception
-                //   is thrown, but thing seem to work properly nonetheless.
-                //   See https://www.drupal.org/node/2347301.
-                watchdog_exception('php', $e);
-              }
+              $schema_handler->addField($table_name, $name, $specifier);
             }
             if (!empty($schema[$table_name]['indexes'])) {
               foreach ($schema[$table_name]['indexes'] as $name => $specifier) {
diff --git a/core/modules/content_translation/src/ContentTranslationHandler.php b/core/modules/content_translation/src/ContentTranslationHandler.php
index 75871b4..f9f9c51 100644
--- a/core/modules/content_translation/src/ContentTranslationHandler.php
+++ b/core/modules/content_translation/src/ContentTranslationHandler.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\content_translation;
 
+use Drupal\Component\Utility\String;
 use Drupal\Core\Access\AccessResult;
 use Drupal\Core\DependencyInjection\DependencySerializationTrait;
 use Drupal\Core\Entity\EntityInterface;
@@ -378,8 +379,8 @@ public function entityFormAlter(array &$form, FormStateInterface $form_state, En
       if ($new_translation) {
         $name = \Drupal::currentUser()->getUsername();
       }
-      elseif ($metadata->getAuthor()->id()) {
-        $name = $metadata->getAuthor()->getUsername();
+      elseif (($account = $metadata->getAuthor()) && $account->id()) {
+        $name = $account->getUsername();
       }
       $form['content_translation']['name'] = array(
         '#type' => 'textfield',
@@ -395,8 +396,8 @@ public function entityFormAlter(array &$form, FormStateInterface $form_state, En
         '#type' => 'textfield',
         '#title' => t('Authored on'),
         '#maxlength' => 25,
-        '#description' => t('Format: %time. The date format is YYYY-MM-DD and %timezone is the time zone offset from UTC. Leave blank to use the time of form submission.', array('%time' => format_date($date, 'custom', 'Y-m-d H:i:s O'), '%timezone' => format_date($date, 'custom', 'O'))),
-        '#default_value' => $new_translation ? '' : format_date($date, 'custom', 'Y-m-d H:i:s O'),
+        '#description' => t('Format: %time. The date format is YYYY-MM-DD and %timezone is the time zone offset from UTC. Leave blank to use the time of form submission.', array('%time' => format_date(REQUEST_TIME, 'custom', 'Y-m-d H:i:s O'), '%timezone' => format_date(REQUEST_TIME, 'custom', 'O'))),
+        '#default_value' => $new_translation || !$date ? '' : format_date($date, 'custom', 'Y-m-d H:i:s O'),
       );
 
       if (isset($language_widget)) {