Property:Processing error message
"Processing error message" is a predefined property containing a textual description of an error and is provided by Semantic MediaWiki. This property is pre-deployed (also known as special property) and comes with additional administrative privileges but can be used just like any other user-defined property.
W
Property "Year" (as page type) with input value "{{{year}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
E
Property "Year" (as page type) with input value "{{{year}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
P
Property "Has type" is a declarative property and can only be used on a property or category page.