Cannot implicitly convert type bool

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C#3.5

Hi,

I have a code where i am getting error in Catch block stating "cannot implicitly convert type bool to kCura.EventHandler.Response". Below is my code:

DTOs.RDO TR = new DTOs.RDO(this.ActiveArtifact.ParentArtifactID.Value);
TR.ArtifactTypeGuids = new List<guid>()
{
    GuidCollection.Task;
};

try
{
    Output = proxy.Repositroies.RDO.Read(TR);
}
catch(Exception ex)
{
    Utils.WrteToLog(ex.Message);
    return false;
}

I know the whole belongs to the particular API, but the error is near return false stating "cannot implicitly convert type bool to kCura.EventHandler.Response". So i want to what exactly it means and what action need to be taken. Any help would be appreciated.

What I have tried:

I tried searching in google and understood that it is some conversion issue but failed to implement and resolve this.