Thread:Project:Support desk/CITE ERRORS

I've read the help docs on the Cite errors, but they offer very little in resolution. Can anyone explain how to resolve this : [Cite error: Ran out of custom link labels for group "". Define more in the MediaWiki:cite_link_label_group- message.]

http://corriearmy.com/Coronation-Street-Canada-Wiki/index.php?title=List_of_births,_marriages,_and_deaths_in_Coronation_Street