The taxon change from Nicertina to Nicertiina was incorrect because the basal genus name is Nicerta.
FLOW also uses the same spelling.
https://flow.hemiptera-databases.org/flow/?page=explorer&db=flow&lang=en&card=taxon&rank=subtribe&id=19480

I guess that FLOW changed the spelling after the previous taxon change was done because the previous change was described to be done according to FLOW.