This category contains articles that use {{co}} or {{coords}} incorrectly. There are two common causes for an article to end up in this category. The most common cause is that the editor omits the zone. The template requires three parameters: {{coords|<x coord>|<y coord>|<Zone Name>}}. The second most common cause is that the editor separates the x and y coordinates with a comma instead of a pipe (|). This causes the zone to be interpreted as the y coordinate.