System is unable to find the requested action "view"

Hello,
I have a shopping cart built on Yii 1.1.22 and I have the following error.
Can you please give me a hint where to look for?

Thank you in advance,
Luai

[error] [exception.CHttpException.404] exception ‘CHttpException’ with message ‘The system is unable to find the requested action “view”.’ in D:\xampp\htdocs\yii-1.1.22\framework\web\CController.php:486
Stack trace:
#0 D:\xampp\htdocs\yii-1.1.22\framework\web\CController.php(270): CController->missingAction(‘view’)
#1 D:\xampp\htdocs\yii-1.1.22\framework\web\CWebApplication.php(282): CController->run(‘view’)
#2 D:\xampp\htdocs\yii-1.1.22\framework\web\CWebApplication.php(141): CWebApplication->runController(‘item/view’)
#3 D:\xampp\htdocs\yii-1.1.22\framework\base\CApplication.php(185): CWebApplication->processRequest()
#4 D:\xampp\htdocs\index.php(22): CApplication->run()
#5 {main}
REQUEST_URI=/item/604
HTTP_REFERER=(null)

In your controller. You have no actionView defined.