If the error is internal, rebuilding the database can fix corrupted system paths that hold the "Info" the app is trying to "Get." Turn off the PS4 completely.
It sounds cliché, but most DPI errors are caused by "stale" routing tables in your modem or router. Turn off your PS4 and unplug it. Unplug your router/modem for at least 30 seconds. dpi get info error ps4 link
Your router might be identifying the PS4's data request as "suspicious" and dropping the packet. If the error is internal, rebuilding the database
Corrupted temporary files on the PS4 can interfere with how it broadcasts its info to the network. How to Fix the PS4 DPI Get Info Error 1. Power Cycle Your Network If the error is internal