"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.
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Property "Has writer" (as page type) with input value "{{{writer}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
Property "Has composer" (as page type) with input value "{{{composer}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
Property "Has producer" (as page type) with input value "{{{producer}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
Property "On platform" (as page type) with input value "{{{platform1}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
Property "Has production company" (as page type) with input value "{{{prodcompany1}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
Property "Has director" (as page type) with input value "{{{director}}}" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
Property "Has logo" (as page type) with input value "File:{{{logo}}}.png" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.