Summary
In Unreal Engine 5.8.2, saving a Niagara System (NS) that only contains Stateless Emitters results in a save‑failure error. This issue does not occur in UE 5.7 and has been identified as a regression in 5.8.2.
What Type of Bug are you experiencing?
Level Design & Art Tools
Steps to Reproduce
Just Create an Niagara system, delete all existing emitters within it, add a new Stateless Emitter, and then save.
Expected Result
Save success
Observed Result
Save Error
Affects Versions
5.8
Platform(s)
Windows