Combine 2 rows into 1

pls try

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WUtJBIMfc/NK8EiAjJLEitRhIO5cWFaXmJVeChPJLEnOA4gowtoJbKlBNrE60knNOZipYm3NmCUhpcEliSSqICzKtqBLZBhACaakAMvBjqqqKBQA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Column1 = _t, Column2 = _t, Column3 = _t, Column4 = _t, Column5 = _t, Column6 = _t, Column7 = _t, Column8 = _t, Column9 = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Column1", type text}}),
    from =  Table.ColumnNames(#"Changed Type"),
    NM1 = List.RemoveMatchingItems(Table.ToRows(#"Changed Type"){0},{""}),
    NM2 = List.RemoveMatchingItems(Table.ToRows(#"Changed Type"){1},{""}),
    nam =NM2 & NM1,
    final =Table.RenameColumns(#"Changed Type" , List.Zip({from,nam})),
    #"Removed Top Rows" = Table.Skip(final,2)
in
  #"Removed Top Rows"