How do I set the relative rotation of a UArrowComponent in the Constructor?

I am trying to attach and setup an arrow component. It needs to be rotated but SetRelativeRotation spits out this error.

Severity	Code	Description	Project	File	Line	Suppression State
Error (active)	E0304	no instance of overloaded function "UArrowComponent::SetRelativeRotation" matches the argument list

I thought it was considered a primitive which is weird since SetRelativeLocation works fine.

no instance of overloaded function … matches the argument list.

What are the arguments passed to this function? Looks like they are wrong