This can occur if you have ever set a custom background setting in Appearance
Is your theme up to date? Check out the latest Theme Updates and Hotfix info here
The Obox Knowledgebase aims to help you find as much useful information as possible for popular WordPress plugins and themes. If you're stuck and looking for support then search our Knowledgebase for the information you require.
MADE AT THE TIP OF AFRICA. ©2019 OBOX THEMES