Help:Cite errors/Cite error references group mismatch

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Overview

A footnote used multiple times may be defined with a name:

<ref name="foo">content</ref>

To invoke a named footnote:

<ref name="foo" />

References may also be defined within the reference list:

{{reflist|refs=
<ref name=rename1>refcontent1</ref>
<ref name=rename2>refcontent2</ref>
}}

List-defined reference may be within groups:

{{reflist|refs=
<ref name=rename1>refcontent1</ref>
<ref name=rename2 groupname=groupname>refcontent2</ref>
}}

List-defined references may be invoked by the standard markup or by use of {{r}}.

Issues and resolution

A list-defined reference uses a group name that is not used within any <ref>...</ref> tags.

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Technical

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