Update MailQueue.php

MailQueue.php

@@ -76,6 +76,10 @@ class MailQueue extends Mailer
 	public function init()
 	{
 		parent::init();
+
+		if (Yii::$app->db->getTableSchema($this->table) == null) {
+			throw new \yii\base\InvalidConfigException('"' . $this->table . '" not found in database. Make sure the db migration is properly done and the table is created.');
+		}
 	}
 
 	/**
@@ -85,10 +89,6 @@ public function init()
 	 */
 	public function process()
 	{
-		if (Yii::$app->db->getTableSchema($this->table) == null) {
-			throw new \yii\base\InvalidConfigException('"' . $this->table . '" not found in database. Make sure the db migration is properly done and the table is created.');
-		}
-
 		$success = true;
 
 		$items = Queue::find()->where(['and', ['sent_time' => NULL], ['<', 'attempts', $this->maxAttempts], ['<=', 'time_to_send', date('Y-m-d H:i:s')]])->orderBy(['created_at' => SORT_ASC])->limit($this->mailsPerRound);