There is an unfortunate signature change with the api.Context NotFound function; whereas the normal modules/context/Context NotFound function requires an error or nil, the api.Context variant will panic with an NPE if a nil is provided. This PR will allow api.Context.NotFound to tolerate a being passed a nil. Signed-off-by: Andrew Thornton <[email protected]> Co-authored-by: Lauris BH <[email protected]>