“Could not load type ‘System.ServiceModel.Activation.HttpModule'”

I was updating an existing WebService and when I tried to test it if it runs on a browser, IIS is giving me this error: Exception Details: System.TypeLoadException: Could not load type 'System.ServiceModel.Activation.HttpModule' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'. Cause: This issue occurs because the Applicationhost.config file for Windows Process Activation Service (WAS) has the … Continue reading “Could not load type ‘System.ServiceModel.Activation.HttpModule'”