502 Server Error when opening restaurant "Chick King"

Describe the bug
When attempting to open the restaurant detail page for "Chick King", the app throws a 502 server error (ApolloError / ServerError). The error message indicates that the application failed to respond, and no restaurant details are loaded.

To Reproduce
Steps to reproduce the behavior:

Launch the app.
Search for or select the restaurant "Chick King" from the restaurant list.
Wait for the details to load.
Expected behavior
Restaurant details for "Chick King" should load successfully without any server errors.

Desktop (please complete the following information):

OS: [e.g. iOS]
Browser [e.g. chrome, safari]
Version [e.g. 22]
Smartphone (please complete the following information):

Device: [e.g. iPhone6]
OS: [e.g. iOS8.1]
Browser [e.g. stock browser, safari]
Version [e.g. 22]

Labels: Enatega Multivendor Customer App, Bug

Start in the customer app by reproducing the restaurant-detail request for "Chick King" from the restaurant list and tracing the ApolloError/ServerError response. Check whether the failure is specific to this restaurant and identify the failing request or service; done means the detail page loads successfully without a 502 error.

Written by the indexing model from the issue text.