How To Use 'coremessages' With Cdbmessagesource

I am stuck with coreMessages component which I would like to use with CDbMessageSource. If I add:




'coreMessages'=>array(

  'class' => 'CDbMessageSource',

),



to the config/main.php (in the database there are tables SourceMessage and Message) and call e.g.


echo Yii::powered();

(which calls Yii::t(‘yii’,…) I am getting the memory exhausted PHP error:




Allowed memory size of 134217728 bytes exhausted (tried to allocate 77 bytes) in /yii/framework/YiiBase.php on line 466



If I disable debugging I get:




Allowed memory size of 134217728 bytes exhausted (tried to allocate 32 bytes) in /yii/framework/base/CComponent.php on line 174



Basically, whenever I call




Yii::t('zii',...), Yii::t('yii', ...), ...



I get the memory exhausted error. The database (SourceMessage and Message tables) are inserted correctly since the messaging system for the message component is functioning well. Am I missing sth. with this coreMessages component?