Property assignment in an aspect give a type mismatch

When you reference an aspect from a webassembly, where you set the property of the aspect using a string, you get the error

Type mismatch, cannot assign "String" to "RemObjects.Elements.RTL.String"

Project to reproduce: Module10 (1.2 MB)

build log: Module10 1.bugreport.txt (12.3 KB)

Print screen:

Logged as bugs://E25174.

bugs://E25174 was closed as fixed.