"$1" is already added as "$2". Please check the options in the sidebar. This is due to either the use of [//www.mediawiki.org/wiki/Help:TemplateData#aliases aliases] or [//www.mediawiki.org/wiki/Help:TemplateData#label labels].
If known, enter undocumented parameter names. Note that only parameters known by the template will have an effect. You may find information about existing parameters on the [[$1|template's page]].
Recent work was completed to improve template search results. To learn more about the changes or leave feedback, go to the [//meta.wikimedia.org/wiki/WMDE_Technical_Wishes/Finding_and_inserting_templates project's page].
This template may be intended for use without [//www.mediawiki.org/wiki/Help:Templates#Parameters parameters]. If this template does contain parameters, they are [//www.mediawiki.org/wiki/Help:VisualEditor/User_guide#Template_parameters undocumented].
This template is missing [//www.mediawiki.org/wiki/Help:VisualEditor/User_guide#Template_parameters TemplateData], and its parameters have been autogenerated. As a result the template and its parameters lack descriptions. There might be additional information on the [[$1|template's page]].