Second index on elastic search

Elastic Stack Elasticsearch
1

Hy i have two index on elastic the first catalogo_prodotti and the second catalogo_esercenti.
In the second i use the functionscore in this way, but when i try to get the list, i have the error

Fielddata is disabled on text fields by default, please help me thankyou

client.Search(s => s
.From(0)
.Size(numerorisultati)
.Query(q => q
.FunctionScore(fsc => fsc
.BoostMode(FunctionBoostMode.Multiply)
.ScoreMode(FunctionScoreMode.Sum)
.Functions(f => f
.FieldValueFactor(b => b
.Field("id").Factor(fattID)
.Missing(0.7)
.Modifier(FieldValueFactorModifier.None)
)
.FieldValueFactor(b => b
.Field("vendor").Factor(fattVE)
.Missing(0.7)
.Modifier(FieldValueFactorModifier.None)
)
.FieldValueFactor(b => b
.Field("descrizione").Factor(fattDE)
.Missing(0.7)
.Modifier(FieldValueFactorModifier.None)
)
.FieldValueFactor(b => b
.Field("testoricerca").Factor(fattTE)
.Missing(0.7)
.Modifier(FieldValueFactorModifier.None)
)
)
.Query(qx =>

                                            qx.MultiMatch(m => m
                                                .Query(searchstr)
                                                .Analyzer("standard")
                                                .Fields(ff => ff
                                                .Field(f => f.Id, fattID)
                                                .Field(f => f.vendor, fattVE)
                                                .Field(f => f.descrizione, fattDE)
                                                .Field(f => f.testoricerca, fattTE)

                                                    )
                                            .Type(TextQueryType.MostFields)

                                            )
                                        )
2

is it possible that the mapping of those two indices differs for the fields you are using in your function score query?

You can retrieve the mappings via the Get Mapping API