Operation '{0}' (in contract '{1}' with namespace '{2}') specifies the http body format to be JSON but the serialization mechanism for the operation is not DataContract. JSON format is only supported with DataContract serialization. If you have an XmlSerializerFormatAttribute on the operation consider replacing it with DataContractFormatAttribute.
Opening Win32 devices other than file such as COM ports, printers, disk partitions and tape drives is not supported. Avoid ...
Operating system does not support controlling a Windows service. A service can only be controlled on Windows NT, Windows ...
Operation '%1' cannot be performed at this time. Another attempt will be made when the service instance is ready to process ...
Operation '%2' on service instance '%1' cannot be performed at this time. Another attempt will be made when the service instance ...
Operation '{0}' (in contract '{1}' with namespace '{2}') specifies the http body format to be JSON but the serialization ...
Operation '{0}' cannot be performed at this time. Another attempt will be made when the service instance is ready to process ...
Operation '{0}' could not be loaded as it uses an unsupported combination of Use and Style settings: Document with Encoded. ...
Operation '{0}' in contract '{1}' already has a '{2}' behavior, so a new one cannot be added. This usually indicates that ...
Operation '{0}' in contract '{1}' has a MessageContract parameter (of type '{2}') without a wrapper name and with more than ...