The following list provides an overview about processing errors that appeared in connection with Semantic MediaWiki. It is recommended to monitor this list on a regular basis and correct invalid value annotations.
Has improper value for"Has improper value for" is a predefined property that tracks input errors for irregular value annotations and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
Processing error message"Processing error message" is a predefined property containing a textual description of an error and is provided by <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
Unable to interpret the "1894/04/31" input value as valid date or time component with "Month 4 in year 1894 did not have 31 days in this calendar model." being reported.
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This section contains some links to help explain how to use the #ask syntax.
Selecting pages describes how to selected pages and build conditions
Search operators lists available search operators including those for range and wildcard queries