[Open Beta] Procedural On-the-Fly Animation in UE4: iTween!

Hey there, an external team developed a project for me back in 2017 using iTween for UE4.19.2, and now I can’t update without getting an error. I’ve tried changing the game version by right clicking the project file, but then the game won’t compile.

I’ve then downloaded the iTween plugin for 4.27, deleted the old iTween plugin folder and pasted the new one, and it still won’t compile. When I try to build it gives variations of this error:

warning C4996: ‘FString::Trim’: FString::Trim() has been split into separate functions for copy and mutate semantics. Call FString::TrimStart() to return a copy of the string with whitespace trimmed from the start, or FString::TrimStartInline() to modify an FString object in-place. Please update your code to the new API

How do I update the iTween code to a new API?