Map making problem, inserted assets are not showing their right color

Hi!
I started doing my second map to my castle, and when ever I insert an asset which is coming from "Forgotten Adventures" map making symbols, all the symbols become light colored. Like this:
Comments
Use List from the Info menu to find out which sheet those tables are on, and then check what effects are on that sheet by opening the Sheets and Effects dialog
and picking the relevant sheet.
If they are on the wrong sheet (they should probably be on the SYMBOLS sheet) you can move them using the Change Properties tool
, or the Move to sheet option in the right click menu of the Sheets and Effects button
.
Thank you Loopysue. It was a bit hard in the beginning, but I got it working.
You're welcome :)
It's just 'Sue', by the way ;)