Exam HPE0-Y53 topic 1 question 42 discussion

Refer to the exhibit.

A network administrator sends the cURL command shown in the exhibit to an HP VAN SDN Controller team in order to add a region to that team. The addresses are as follows:
-The team IP address is 192.168.56.10.
-The team members IP addresses are 192.168.56.14, 192.168.56.15, and 192.168.56.16.
The administrator receives an error in response. How can the administrator fix the configuration?