Property:Processing error message
From KIproBatt Wiki
"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.
D
1
"High" is not in the list (high, medium, low) of allowed values for the "Has priority" property.
E
"{{{property}}}" contains a listed "{" character as part of the property label and has therefore been classified as invalid.
S