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Blueprint Events not firing in packaged game


we are using a bunch of custom events for our project. We declare them as BlueprintNativeEvent in C++, and then use the blueprinted version for gameplay logic. While PIE, everything works perfectly fine. But after packaging the project, the blueprint-versions of those events never fire. The native implementation works, but the blueprint version doesn't. Is there anything we can do?


UFUNCTION(BlueprintNativeEvent, Category = "Item")
void OnBeginFocus();


 void AItem::OnBeginFocus_Implementation()
     // Render outline
     if (Mesh && bAllowFocus)
     // Change the crosshair image according to this item's interaction mode

The C++ implementation works fine in the packaged project, but the blueprint version never fires...we even tried putting ALL the logic into the blueprinted version. Didn't work either.

Product Version: UE 4.14
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asked Jan 27 '17 at 01:15 PM in Packaging & Deployment

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avatar image Sean L ♦♦ STAFF Jan 30 '17 at 03:26 PM

Hey ShawnBaxe,

Could you do me a favor and add a debug message or log a message that you can check in your log file?

I'm curious if the event is not firing, or if the actual functionality is what isn't working in a packaged game.

Let me know if you see the event firing after printing the message for debug purposes.


avatar image ShawnBaxe Jan 30 '17 at 04:50 PM

The event is not firing. I've added a debug message to both - the C++ implementation and the blueprint version. The C++ version is firing. The BP one is not. I've even tried to leave the C++ version empty. Still...the BP version is not firing after packaging. Double-checked things by also trying it in the editor - and there it is firing as expected.

avatar image Sean L ♦♦ STAFF Jan 31 '17 at 03:48 PM

Thanks for the information. Unfortunately, after attempting to reproduce the issue on my end, I'm not seeing the same behavior. Would you mind creating a simple test project, zipping it up, and providing it via Dropbox or Google Drive?

I'd like to have a closer look at your setup to see if I'm missing a step somewhere.

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I am marking this topic as resolved for tracking purposes, as we have not heard from you in a few days. If this issue persists, feel free to respond to this thread. For any new issues, please create a new Answerhub topic.

Have a great day

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answered Feb 07 '17 at 05:52 PM

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Sean L ♦♦ STAFF
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