php - Joomla 3.2.3 error when quickstart installing -

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I am creating a Joomla quickstart pack using Joomla 3.2.3. But when I'm trying to install it, I found this error:

Error displaying error page: Application Instant Error: JLIB_APPLICATION_ERROR_APPLICATION_LOAD " < p> But I did the same with the Joomla version 2.5.6 and it is working.

error Message " Error displaying page: Application instant error: " Comes when Joomla Connect to database Unable to create, just make sure that your mysql service is running and the credentials in the configuration.php file are correct to connect to your installed database.

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