- Внесены изменения в конфиг (v3)

backend/config/main.php

@@ -27,7 +27,7 @@ return [
         'triggers' => ['class' => 'common\modules\triggers\Module'],
         'school' => ['class' => 'common\modules\school\Module'],
 		'rbac' => ['class' => 'common\modules\rbac\rbac'],
-        'MessageTemplate' => ['class' => 'common\modules\messageTemplate\Module'],
+        'message-template' => ['class' => 'common\modules\messageTemplate\Module'],
 	],
     'components' => [
 		'session' => [