how can a search loaded in a schedule script return 0 when it returns 9 in the ui? here is the code:

var mySearch = search.load({
            id: 'customsearch380'
        });
        
        var searchResult = mySearch.run().getRange({
            start: 0, 
            end: 1000
        });

        log.debug({
            title: 'Search: ', 
            details: 'Result ' + searchResult.length
        });