LightGbm Warning after upgrading to LightGBM v1.2 ([LightGBM] [Warning] Unknown parameter metric=)

[bartczernicki]

System information

• OS version/distro: Windows Server 2016
• .NET Version (eg., dotnet --info): .NET Core 2.1

Issue

• What did you do? Updated to ML.NET/LightGBM v1.2
• What happened? Warning started appearing.
• What did you expect? No warning

Source code / logs

Source code is located here:
https://github.com/bartczernicki/MLDotNet-BaseballClassification

Fit method that throws the warning...
https://github.com/bartczernicki/MLDotNet-BaseballClassification/blob/28143bb71d962bcb919393db258e7e458480f071/MLDotNet-BaseballClassification/Program.cs#L113

Error: [LightGBM] [Warning] Unknown parameter metric=

[codemzs]

@najeeb-kazmi this seems related to your metric change. Can you please take a look?