com.unity.perception/com.unity.perception/Runtime/Randomization/Samplers/SamplerValidationException.cs

using System;

namespace UnityEngine.Experimental.Perception.Randomization.Samplers
{
    class SamplerValidationException : Exception
    {
        public SamplerValidationException(string msg) : base(msg) {}
        public SamplerValidationException(string msg, Exception innerException) : base(msg, innerException) {}
    }
}