MC3020: The dictionary key '{0}' is already used. Key attributes are used as keys when inserting objects into a dictionary and must be unique.
MC3001: TypeConverter syntax error encountered while processing initialization string '{0}'. Property elements are not allowed ...
MC3010: '{0}' Name property value is not valid. Name must start with a letter or an underscore and can contain only letters, ...
MC3014: The object being added to an array property is not a valid type. The array is of type '{0}' but the object being ...
MC3016: Two new namespaces cannot be compatible with the same old namespace using an XmlnsCompatibility attribute. '{0}' ...
MC3020: The dictionary key '{0}' is already used. Key attributes are used as keys when inserting objects into a dictionary ...
MC3041: Markup extensions require a single '=' between name and value, and a single ',' between constructor parameters and ...
MC3042: Name/value pairs in MarkupExtensions must have the format 'Name = Value' and each pair is separated by a comma. '{0}' ...
MC3046: Unknown attribute '{0}' in the '{1}' namespace. Note that only the Key attribute is currently supported in this namespace. ...
MC3048: '{0}' value is not a valid MarkupExtension expression. Cannot resolve '{1}' in namespace '{2}'. '{1}' must be a subclass ...