Error on get_page_index

Hi,

Running the latest version of WordPress and JSON API but we seem to have issues on get_page_index

Been comparing it to https://wp3.mobifica.com/?json=get_page_index which is how it should look but https://pcflight.net/?json=get_page_index doesn’t work properly.

Any fix?

https://www.ads-software.com/plugins/json-api/