UriTemplateTable (with allowDuplicateEquivalentUriTemplates = false) does not support both '{0}' and '{1}', since they are ...

UriTemplateTable (with allowDuplicateEquivalentUriTemplates = false) does not support both '{0}' and '{1}', since they are equivalent. Call MakeReadOnly with allowDuplicateEquivalentUriTemplates = true to use both of these UriTemplates in the same table. See the documentation for UriTemplateTable for more detail.