"Has processing error text" 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.
"+" contains an extrinsic dash or other characters that are invalid for a date interpretation. +, "*" contains an extrinsic dash or other characters that are invalid for a date interpretation. +
"+" contains an extrinsic dash or other characters that are invalid for a date interpretation. +, "*" contains an extrinsic dash or other characters that are invalid for a date interpretation. +
"+" contains an extrinsic dash or other characters that are invalid for a date interpretation. +, "*" contains an extrinsic dash or other characters that are invalid for a date interpretation. +
"+" contains an extrinsic dash or other characters that are invalid for a date interpretation. +, "*" contains an extrinsic dash or other characters that are invalid for a date interpretation. +
"+" contains an extrinsic dash or other characters that are invalid for a date interpretation. +, "*" contains an extrinsic dash or other characters that are invalid for a date interpretation. +
"+" contains an extrinsic dash or other characters that are invalid for a date interpretation. +, "*" contains an extrinsic dash or other characters that are invalid for a date interpretation. +
"+" contains an extrinsic dash or other characters that are invalid for a date interpretation. +, "*" contains an extrinsic dash or other characters that are invalid for a date interpretation. +