Package extra Non Uasset files to make them accessible while hosted in E3DS.
There are onUASSETon UASSET files (videos, texts etc....) files which you expect UE4 to load but dioes it does not get added when u you package the agme game.
Moves Files :
Make sure your files are exist in a susbfilder subfolder under your cunreal prjects unreal projects content folder .
Project Settings
...
Search for Additional
...
Add!
...
now do packaging and files will be aded added in packaged project
...