Hi, I’m using Unreal Engine 5.5’s built-in JSON plugin to read a local JSON file. The JSON file contains a structure. Everything works fine in-editor. The file is read correctly, and the values are displayed on screen. However, after packaging my project, the JSON file always returns the default/e…

I fixed my issue. My issue was caused by the use of capital letters and/or spaces in my variable names. That caused the ‘get field’ node to stop functioning in the packaged build.

JSON file returns empty values in packaged build

Development Programming & Scripting Blueprint

3dRaven (3dRaven) March 9, 2025, 3:49pm 2

Is the json file present physically in the packed build? It might not be packed by default.