You have called {{Contentious topics}}. You probably meant to call one of these templates instead:
Alerting users
{{alert/first}} ({{Contentious topics/alert/first}}) is used, on a user's talk page, to "alert", or draw a user's attention, to the contentious topics system if they have never received such an alert before. In this case, this template must be used for the notification.
{{alert}} ({{Contentious topics/alert}}) is used, on a user's talk page, to "alert", or draw a user's attention, to the fact that a specific topic is a contentious topic. It may only be used if the user has previously received any contentious topic alert, and it can be replaced by a custom message that conveys the contentious topic designation.
{{alert/DS}} ({{Contentious topics/alert/DS}}) is used to inform editors that the old "discretionary sanctions" system has been replaced by the contentious topics system, and that a specific topic is a contentious topic.
{{Contentious topics/aware}} is used to register oneself as already aware that a specific topic is a contentious topic.
Editnotices
{{Contentious topics/editnotice}} is used to inform editors that a page is covered by the contentious topics system using an editnotice. Use the one below if the page has restrictions placed on the page.
{{Contentious topics/page restriction editnotice}} is used to inform editors that the page they are editing is subject to contentious topics restrictions using an editnotice. Use the above if there are no restrictions placed on the page.
Talk page notices
{{Contentious topics/talk notice}} is used to provide additional communication, using a talk page messagebox (tmbox), to editors that they are editing a page that is covered by the contentious topics system. The template standardises the format and wording of such notices. Use the below if there are restrictions placed on the page.
If a user who has been alerted goes on to disruptively edit the affected topic area, they can be reported to the arbitration enforcement (AE) noticeboard, where an administrator will investigate their conduct and issue a sanction if appropriate. {{AE sanction}} is used by administrators to inform a user that they have been sanctioned.
Miscellaneous
{{Contentious topics/list}} and {{Contentious topics/table}} show which topics are currently designated as contentious topics. They are used by a number of templates and pages on Wikipedia.
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