How to prevent to prevent crashes on missing information. Insufficient or incorrect assigned the task to write a thorough job. Recording a message or command command command to listen to re-enter it, and again to make sure to write down the complete content when an error occurs, we can bring this information to the person who ordered the job to us. When you start working, we need more information and more detailed information from people with knowledge of its content and will enter the complete details or highlight important text with assigned tasks. For example, the head of the order, the clothing 1000. When I received the command to check whether an item is an old customer who ordered or not is an old customer, view a list of past orders. If the orders are not the same. We would like to call to ask the customer how to order 1000 or cry. If the customer says that the order to 1500 a. We want to save the customer's order and to give the head again so that the head of customer questions, error does not occur.