Hey,
This is the error found within your :
08-04 17:54:16.595: D/UE4(7638): Checking for file : main.1.com.YourCompany.Android_01.obb 08-04 17:54:16.596: D/UE4(7638): which is really being resolved to : /storage/emulated/0/Android/obb/com.YourCompany.Android_01/main.1.com.YourCompany.Android_01.obb 08-04 17:54:16.596: D/UE4(7638): Or : /storage/emulated/0/obb/com.YourCompany.Android_01/main.1.com.YourCompany.Android_01.obb 08-04 17:54:16.598: D/UE4(7638): ... Whoops... missing; go go go download system!
It looks like you may not have ran the batch (.bat) file from your packaged folder? Could you please run that and see if it corrects the issue you’re running in to. If not, could you try package game data in apk.
Please let us know if this helps, or if you have any further questions. Thank you and have a wonderful day! 