When uploading older version of nopcommerce, I have no problems. However, when I upload version 1.8 this is what i see when I go to my site.
Server Error in '/' Application.
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive.
Line 22: <error statusCode="404" redirect="filenotfound.htm"/>
Line 23: </customErrors>
Line 24: <compilation debug="false" targetFramework="4.0">
Line 25: <expressionBuilders>
Line 26: <add expressionPrefix="NopResources" type="NopSolutions.NopCommerce.BusinessLogic.Localization.NopResourceExpressionBuilder, Nop.BusinessLogic"/>
How do I fix this?