ProxyParticleSpawn compiled failed

[CaoShuxing]

when ℹ compiled the ProxyParticleSpawn blueprint,I encountered the following error:

In use pin no longer exists on node Set Radius . Please refresh node or break links to remove pin.
In use pin Radius no longer exists on node Set Radius . Please refresh node or break links to remove pin.
Could not find a function named "set_radius" in 'ProxyParticleSpawn'.
Make sure 'ProxyParticleSpawn' has been compiled for Set Radius
Could not find a variable named "Sphere" in 'ProxyParticleSpawn'.
Make sure 'ProxyParticleSpawn' has been compiled for Get Sphere
[6336.61] Compile of ProxyParticleSpawn failed. 3 Fatal Issue(s) 1 Warning(s) [in 131 ms] (/Game/Carla/Blueprints/Weather/ProxyParticleSpawn.ProxyParticleSpawn)

Is there something wrong with the blueprint provided by the warehouse?