DocumentAPI Build Error

[ramganesh19]

Generated the code with below command and get build error

npx openapi-generator-cli generate -i broker/openapi.yaml -g csharp-netcore -o build/csharp-netcore --additional-properties aspnetCoreVersion=3.1

Severity Code Description Project File Line Suppression State
Error CS0246 The type or namespace name 'Set' could not be found (are you missing a using directive or an assembly reference?) Org.OpenAPITools C:\alpaca-docs\oas\build\csharp-netcore\src\Org.OpenAPITools\Api\DocumentsApi.cs 86 Active