Template:Error
From RRU Knowledge Base
Usage instructions
This meta template is used by other templates to signal an error, such as an invalid or missing parameter. It displays a custom error message that lets editors know to fix the issue in question.
Example usage
{{error|Error:|An exemplary error}}
→ Error: An exemplary error- Compare, used in a Parser Function:
{{#expr:Foo}}
→ Expression error: Unrecognized word "foo".
Currently missing all the tag options the Wikipedia version has.