Failure: Could not find the entries to confirm that server is listening

QBox Module 3
#1

Failure: Could not find the entries to confirm that server is listening in file /be25092-17-bitmesra-ac-ME_QBOX-5bfbc87c-4dbb-11ea-ad61-8d5bdcd544e5/be25092-17-bitmesra-ac-ME_QBOX/client_server/server_connections

What does mean by this error ? getting again and again even i have done all steps and able to send data from mobile to desktop .

#2

Look into this query and use netstat -an command to make sure your server is listening

#3

i think have not completed module 3 milestone 1. Please read all the instructions once again.

#4