From Open Energy Information
|Event:April Fool's Day|
|Has improper value for||Event/Description +|
|Has processing error text
"Has processing error text" is a predefined property containing a textual description of an error and is provided by Semantic MediaWiki.
"April Fools' Day is celebrated all around …
"April Fools' Day is celebrated all around the world on the April 1 of every year. Sometimes referred to as All Fools' Day, April 1 is not a national holiday, but is widely recognized and celebrated as a day where everyone plays all kind of joke and foolishness. --WikiPedia" cannot be used as a page name in this wiki.annot be used as a page name in this wiki. +
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|Event:April Fool's Day +||Has processing error
"Has processing error" is a predefined property provided by Semantic MediaWiki and represents errors that appeared in connection with improper value annotations or input processing.