Niagara Exposed Curve for color Crash

Hi
I have an issue when i use niagara in 4.27.2
When i exposed Color for Curves in niagara ,modify the color curve in Details, and save , the editor will crash.
It happens in 4.27.2
4.26 is ok

Here is the recordhttps://youtu.be/x5odO4SXXA8

Do you have the same issue?