Help:Cite errors/Cite error references invalid parameters group

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Overview

When a page is referenced with <ref>...</ref> tags, then the page must also have markup to show the reference list. The reference list is shown by including either of the following:

{{Reflist}}

or

<references />

<references /> shows a basic reference list, whereas {{Reflist}} may add formatting for font size and columns, depending on the skin and parameters used. This is normally placed in a References section near the end of the page.

References may also be assigned to groups. Grouped reference lists are shown with:

{{Reflist|group=groupname}}

or

<references group=groupname />

Issues and resolution

The <references /> tag is malformed. Using the {{reflist}} template will avoid most of the possible issues with the <references /> tag. See the documentation for details.

Technical

Pages with this error message are placed into Pages with incorrect ref formatting. The system message page is at Cite error references invalid parameters group.