The solutions to the problem that the Meituan take-out open platform can't handle the order are as follows:

1. Check the network connection: make sure that your network connection is normal, so as not to affect the normal order processing, and try to reconnect the network or change the network environment.

2. Re-login account: Re-login account can solve some temporary problems. Exit the account of Meituan Takeaway Open Platform and log in again.

3. Contact customer service: contact the customer service team of Meituan takeaway open platform for help. Provide detailed problem description and order information, so that customer service personnel can better understand and solve the problem.

4. Seek technical support: contact the technical support team of Meituan's open take-out platform, report problems to them and request technical support.

5. Find alternatives: Use other take-away platforms or find other solutions to handle orders, so as to avoid the impact of order delay or other problems on your business.