Cannot add outgoing headers to message as MessageVersion in OperationContext.Current '{0}' does not match with the header version of message being processed '{1}'.
Cannot add a DataRelation or Constraint that has different Locale or CaseSensitive settings between its parent and child ...
Cannot add an instance of {0} to the designer because it would create a circular dependency. Make sure that the type does ...
Cannot add element to property '{0}', because the property can have only one child element if it uses an explicit collection ...
Cannot add or insert the item '{0}' in more than one place. You must first remove it from its current location or clone it. ...
Cannot add outgoing headers to message as MessageVersion in OperationContext.Current '{0}' does not match with the header ...
Cannot add service description with targetNamespace='{0}': binding with name='{1}' already present in the description collection. ...
Cannot add service description with targetNamespace='{0}': message with name='{1}' already present in the description collection. ...
Cannot add service description with targetNamespace='{0}': portType with name='{1}' already present in the description collection. ...
Cannot add service description with targetNamespace='{0}': schema with targetNamespace='{1}' already present in the description ...