Duplicating a Timer Device during Live Edit crashes the editor

[Gr1Squid]

Summary

I was setting the Timer Device in UEFN in a Live Edit Session, then i tried duplicating the device and my editor froze for a second and then crashes the editor.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Devices

Steps to Reproduce

1. Place a Timer Device in Editor
2. Duplicate it

Expected Result

The device would be duplicated without any issues

Observed Result

The editor freezes and then crashes when duplicated

Platform(s)

Windows

Video

2026-06-28 14-20-30.mp4

Additional Notes

This issue affects the editor but not in Live Edit in the client game

[Wewee3564 (Wewee)]

It happens to me too: setting a timer, duplicating it, or touching it or anything else related to that timer causes the uefn to crash.

[Zero.B_Gaming]

The editor also crashes for me everytime I edit the time in the timer device during live edit.

[EV_WAKA]

Happening to me too. After the freeze and UEFN reboot, it seems to also bug that particular timer device’s capability of showing custom widget bp huds. For me, the bugged timer device will briefly show the incorrect Default wbp with “Available in 3…” white text for a few seconds before changing to the correct wbp and timer numbers

[Bug-Reporter]

FORT-1123445 is ‘Closed’ as ‘Fixed’. The issue will be addressed in 41.30.

[Subject-02]

I know this issue is “fixed” but the editor froze when just placing the timer device. Not even duplicating/editing it.

[Flak]

Hi there, could you let us know if this is still happening after 41.30 is released late next week?