Tip of the day
Skill levels exceeding an activity's main skill requirement gives +1.25% extra Work efficiency for what you're doing, up to 20 levels.

MediaWiki:Visualeditor-dialog-transclusion-add-param-error-alias

From Walkscape Walkthrough

"$1" is already added as "$2". Please check the options in the sidebar. This is due to either the use of aliases or labels.