initialization - C# Visual Studio 2012 Express configuration element is not declared -


i have following issue , not able find sufficient in order resolve it.

before debugging application warning says configuration element not declared. app compiles , works fine though. tried add connection string in configuration section , pull in app. proper error when tries access saying "configuration system failed initialize"

<?xml version="1.0" encoding="utf-8"?> <configuration>    <configsections />    <startup>       <supportedruntime version="v4.0" sku=".netframework,version=v4.0" />    </startup>    <system.net>       <defaultproxy usedefaultcredentials="true" />    </system.net>    <system.servicemodel>       <bindings>two basichttpbindings here</bindings>       <client>two endpoints here bind basic httpbindings above. irrelevant added after problem appeared</client>    </system.servicemodel> </configuration>

nobody has provided sufficient answer in fora far. has changed or know related that?

thank in advance


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