The configuration file enterpriseLibrary.config could not be found System.IO.FileNotFoundException

When trying to run the asp.net web application I am getting the error.

System.IO.FileNotFoundException: The configuration file enterpriseLibrary.config could not be found 

The configuration file enterpriseLibrary.config could not be found. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details:

System.IO.FileNotFoundException: The configuration file enterpriseLibrary.config could not be found. 

Source Error:

Line 73:             if (ExceptionPolicy.HandleException(ex, policyName.ToString())) Line 74:             { Line 75:                 throw ex; 

Source File:

C:\Project\Services\Common\ExceptionHandler.cs    Line: 73 

Stack Trace:

[FileNotFoundException: The configuration file enterpriseLibrary.config could not be found.]    Microsoft.Practices.EnterpriseLibrary.Common.Configuration.FileConfigurationSource.GetRootedCurrentConfigurationFile(String configurationFile) in e:\Builds\EntLib\Latest\Source\Blocks\Common\Src\Configuration\FileConfigurationSource.cs:354    Microsoft.Practices.EnterpriseLibrary.Common.Configuration.FileConfigurationSource..ctor(String configurationFilepath, Boolean refresh, Int32 refreshInterval) in e:\Builds\EntLib\Latest\Source\Blocks\Common\Src\Configuration\FileConfigurationSource.cs:62    Microsoft.Practices.EnterpriseLibrary.Common.Configuration.FileConfigurationSource..ctor(String configurationFilepath, Boolean refresh) in e:\Builds\EntLib\Latest\Source\Blocks\Common\Src\Configuration\FileConfigurationSource.cs:50    Microsoft.Practices.EnterpriseLibrary.Common.Configuration.FileConfigurationSourceElement.CreateSource() in e:\Builds\EntLib\Latest\Source\Blocks\Common\Src\Configuration\FileConfigurationSourceElement.cs:75    Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourceFactory.Create(String name) in e:\Builds\EntLib\Latest\Source\Blocks\Common\Src\Configuration\ConfigurationSourceFactory.cs:58    Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourceFactory.Create() in e:\Builds\EntLib\Latest\Source\Blocks\Common\Src\Configuration\ConfigurationSourceFactory.cs:81    Microsoft.Practices.EnterpriseLibrary.Common.Configuration.EnterpriseLibraryContainer.SetCurrentContainerIfNotSet() in e:\Builds\EntLib\Latest\Source\Blocks\Common\Src\Configuration\EnterpriseLibraryContainer.cs:93    Microsoft.Practices.EnterpriseLibrary.Common.Configuration.EnterpriseLibraryContainer.get_Current() in e:\Builds\EntLib\Latest\Source\Blocks\Common\Src\Configuration\EnterpriseLibraryContainer.cs:36    Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.GetExceptionPolicy(Exception exception, String policyName) in e:\Builds\EntLib\Latest\Source\Blocks\ExceptionHandling\Src\ExceptionHandling\ExceptionPolicy.cs:120  [ExceptionHandlingException: The configuration file enterpriseLibrary.config could not be found.]    Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.GetExceptionPolicy(Exception exception, String policyName) in e:\Builds\EntLib\Latest\Source\Blocks\ExceptionHandling\Src\ExceptionHandling\ExceptionPolicy.cs:144    Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.HandleException(Exception exceptionToHandle, String policyName) in e:\Builds\EntLib\Latest\Source\Blocks\ExceptionHandling\Src\ExceptionHandling\ExceptionPolicy.cs:55    System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +144    System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50    System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +73