this is what i get

ExType: JsonSerializationException
Failed to call hook 'LoadoutCommand' on plugin 'Loadoutless v2.0.1' (ArgumentException: Could not cast or convert from System.String to Oxide.Plugins.Loadoutless+PlayerLoadout.)
  at Newtonsoft.Json.Utilities.ConvertUtils.EnsureTypeAssignable (System.Object value, System.Type initialType, System.Type targetType) [0x00062] in <2ae3f091decd4989b3c4d466e6eb5985>:0
                                  1kb/s in, 6kb/s out
  at Newtonsoft.Json.Utilities.ConvertUtils.ConvertOrCast (System.Object initialValue, System.Globalization.CultureInfo culture, System.Type targetType) [0x00031] in <2ae3f091decd4989b3c4d466e6eb5985>:0
  at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType (Newtonsoft.Json.JsonReader reader, System.Object value, System.Globalization.CultureInfo culture, Newtonsoft.Json.Serialization.JsonContract contract, System.Type targetType) [0x0008d] in <2ae3f091decd4989b3c4d466e6eb5985>:0

It happens to me exactly the same.

Go back to version 2.0.0 version 2.0.1 is bugged due to the API hook.

Going back requires deletion of the whole data folder called Loadoutless_folder

in oxide > data