Issue in Staging server using Magento 30 day Trial: 504 Gateway Time-out

[magentocys]

Getting this error when visiting our dev staging site:
504 Gateway Time-out

it happens after we update the php source due to a bug. totals section not loading on checkout.

we have follow this instructions to fix the problem:

https://magento.stackexchange.com/questions/211720/cart-totals-block-is-not-loading/213926
https://github.com/magento/magento2/issues/9646
https://github.com/ekuusela/magento2/commit/aa535ea5d4bf78915bddd4387a9d3c4b39943eea

after merge, we encountered the 504 error. 

[Damian Culotta]

Hi @magentocys,

It's a little bit complicated to understand which error do you ened to fix becasue the subject and the links.

Can you share more specific details abotu which the problem is?