Install from sharepoint store message : "the application is not compatible with the server"

Hello

i have a "short" message when we try to add the "World Clock and Weather"  application to a site. the only message in the browser is:  "the application is not compatible with the server"

I follow the installation process found at: http://technet.microsoft.com/en-us/library/fp161236.

Could someone to tell how to debug this? what we have to lok for at event viewer or SharePoint logs?

enviroment: Sharepoint Server 2013 trial with Sql server 2012  over Windows server 2008 R2 Sp1

Thank you in advance