I can´t open the solution, I always get the following error, what is wrong on my end?
...\nopCommerce_4.30_RC_Source\Plugins\Nop.Plugin.Widgets.FacebookPixel\Nop.Plugin.Widgets.FacebookPixel.csproj : error : The default XML namespace of the project must be the MSBuild XML namespace. If the project is authored in the MSBuild 2003 format, please add xmlns="http://schemas.microsoft.com/developer/msbuild/2003" to the <Project> element. If the project has been authored in the old 1.0 or 1.2 format, please convert it to MSBuild 2003 format. C:\Users\Notandi\Desktop\nopCommerce_4.30_RC_Source\Plugins\Nop.Plugin.Widgets.FacebookPixel\Nop.Plugin.Widgets.FacebookPixel.csproj
...\nopCommerce_4.30_RC_Source\Plugins\Nop.Plugin.Widgets.FacebookPixel\Nop.Plugin.Widgets.FacebookPixel.csproj : error : The default XML namespace of the project must be the MSBuild XML namespace. If the project is authored in the MSBuild 2003 format, please add xmlns="http://schemas.microsoft.com/developer/msbuild/2003" to the <Project> element. If the project has been authored in the old 1.0 or 1.2 format, please convert it to MSBuild 2003 format. C:\Users\Notandi\Desktop\nopCommerce_4.30_RC_Source\Plugins\Nop.Plugin.Widgets.FacebookPixel\Nop.Plugin.Widgets.FacebookPixel.csproj
Did you grant the appropriate "iis appPool\profile" to the plugins folder and others as required?