[ ToucgGFX ] Issue when display string in TextArea

Hello, I'm trying to display a random String in TextArea.

But when I call this function, there is too much ???? was displayed.

Below is my code, anyone can tell me what's wrong?

Many thanks,

Hieu

	const char * test = "Hello World";
	Unicode::snprintf(RoomHeaderNameBuffer, ROOMHEADERNAME_SIZE, "%s", test);
	RoomHeaderName.invalidate();

And my TextArea Wildcard configuration

 RoomHeaderName.setXY(202, 13);
 RoomHeaderName.setColor(touchgfx::Color::getColorFrom24BitRGB(33, 49, 89));
 RoomHeaderName.setLinespacing(0);
 Unicode::snprintf(RoomHeaderNameBuffer, ROOMHEADERNAME_SIZE, "%s", touchgfx::TypedText(T_SINGLEUSEID130).getText());
 RoomHeaderName.setWildcard(RoomHeaderNameBuffer);
 RoomHeaderName.resizeToCurrentText();
 RoomHeaderName.setTypedText(touchgfx::TypedText(T_SINGLEUSEID129));