Contract requires TwoWay (either request-reply or duplex), but Binding '{0}' doesn't support it or isn't configured properly to support it.
Context channel received a message with context which does not match the current context cached at the channel. Ensure service ...
Context protocol was unable to parse the context header. Nodes disallowed by the context header schema were found inside ...
ContextBindingElement of binding {0}:{1} is configured with ContextExchangeMode.HttpCookie but the configuration of this ...
Contract does not allow Session, but Binding '{0}' does not support Datagram or is not configured properly to support it. ...
Contract requires TwoWay (either request-reply or duplex), but Binding '{0}' doesn't support it or isn't configured properly ...
ContractDescription '{0}' has zero IsInitiating=true operations; a contract must have at least one IsInitiating=true operation. ...
ContractNamespaceAttribute attribute maps CLR namespace '{2}' to multiple data contract namespaces '{0}' and '{1}'. You can ...
control must contain an IButtonControl with ID {1} in every item template, this maybe include ItemTemplate, EditItemTemplate, ...
Control with ID '{0}' being registered through RegisterAsyncPostBackControl or RegisterPostBackControl must implement either ...