# Can't launch UEFN session

**URL:** <https://forums.unrealengine.com/t/cant-launch-uefn-session/2052065>\
**Category:** Issues and Bug Reporting\
**Tags:** fortnite-creative, unreal-editor-for-fortnite, fortnite\
**Created:** [October 3, 2024, 9:25pm UTC](https://forums.unrealengine.com/t/cant-launch-uefn-session/2052065 "2024-10-03T21:25:05Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![Jimbohalo10](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/jimbohalo10/32/961440_2.png) [@Jimbohalo10](https://forums.unrealengine.com/u/Jimbohalo10)\
**Post date:** [October 4, 2024, 12:16am UTC](https://forums.unrealengine.com/t/cant-launch-uefn-session/2052065/4 "2024-10-04T00:16:14Z")

</div>

> [@LarYye](#):
>
> Missing expected DAD Creative User Options primary asset

This is quite an obscure error.  
Someone posted on a similar problem

> LogDADUserOptions: Error: Missing expected **DAD Creative User Options primary asset** :DefaultCosmetics. Make sure the UDAD\_CreativeUserOptions and UPlaylistUserOptionDAD have matching CreativeUserOptionsListName and the UDAD\_CreativeUserOptions is in the primary assets

The solution was

> Turns out there was a imported prop that had its collision all crazy

see post

[Constantly spawning in the water when loading a session - General / Issues and Bug Reporting - Epic Developer Community Forums (unrealengine.com)](https://forums.unrealengine.com/t/constantly-spawning-in-the-water-when-loading-a-session/1337138/12)

---

_[View the full topic](https://forums.unrealengine.com/t/cant-launch-uefn-session/2052065)._