Task is producing not valid xml output

Task full name: Frends.CSV.ConvertToXML Task version: 1.2.0 Frends version: 5.7.2.1685 .NET platform: .NET8 Operating system: Windows Summary: When ColumnSpecifications is not provided, xml which is produced is not valid. I looks like: Node name can't start with number. Legacy task Frends.Csv.Csv.Parse 0.8.9 is using column names: A0, A1, A2 ... Expected behaviour: