This response to several efforts to create a name for "BillionGraves":
She passed away in 1991. Cite error 2; Invalid <ref> tag; refs with no content must have a name"BillionGraves.com" https://billiongraves.com/search/results?cemetery_country=United%20States&cemetery_state=Iowa&cemetery_county=Audubon&given_names=Leon%20and%20Katherine&family_names=Albert&birth_year=1897&death_year=1936&year_range=5&size=15Cite error 2; Invalid <ref> tag; refs with no content must have a name
I fixed the error. An inline reference citation should start with the tag <ref> and end with the tag </ref>. This citation started and ended with <ref/>, which is not a recognized tag.