Make sure you have the latest version of Sims 4 Studio.
If you get any errors when trying to Save, please read the following before posting your errors: Error when Saving Checklist You can now delete the notepad file, it’s no longer needed! Copy and Paste each set one at a time or simply replace the colons with dashes (-). WARNING – Do NOT copy and paste the entire Icon code, doing so will replace the dashes with colon’s, which will give you errors when trying to save.
Open Notepad (or any editing program) and copy & paste the display name, icon, and the trait description codes into Notepad:.
