"Splash Kingdom Waterpark" is now four times (!) in the database. Please delete three of them. Two other remarks: The name sounds more like an 'amusement park' and not like a real park, and the iso language code for Spanish is 'es' and not 'sp.
oh. There was a problem with the search. inserts and modifications of the last two days were not returned by the search. This also explains why it was possible to add the duplicates. The problem with the search has been fixed.
sorry, there was a problem with permissions to the search index files that caused the index not to be updated with the newest modifications, I hope it is now definitely fixed.