tablas de plain a rt

Hello, I have configured my manticore with several indexes between planes and rt, the problem is that when I delete an index and create another one but with the same name it still shows me what I already deleted, for example if I create a case index with 7 fields, then I deleted this and changed the fields. Now it has 4 fields and the fields have different names, however it continues to load the same data and the same fields that I had deleted.
Another problem is that when I want to convert a flat table to an rt one I get the error that I put in the image, it says that there is an error near the rtindex or the index does not exist, can I please help you?

manticore error

it could be better to provide the query that failed along with index settings