You need to change the type of a member variable in the serialized class. For example if its raising an error like:
Unable to generate a temporary class (result=1).
error CS0030: Cannot convert type ‘Data[]’ to ‘Data’.
I ran a search on the Data type name in the generated file, and I found this:
[System.Xml.Serialization.XmlArrayItemAttribute("Data", typeof(Data), IsNullable=false)]
public Data[][] Row
Replace Data[][] with Data[] – Change the type of Data from a 2D array to a 1D array. It would solve your problem. 🙂