So I wanna pass the KB response to my AI task, to update the response slightly. And it can randomly bring EMPTY VAR {{turn.KnowledgeAgent.answer}} or {{event.state.agentVariables.KnowledgeAgent.turn.answer}}, altho in logs and in JSON we see that the answer was provided by KB and these VARs should contain data. The same happened to me many times when I wanted to use {{event.payload.text}} or {{event.preview}}. Can anyone explain what is happening? Testing for 2 days in a row now and it is completely random.