Missing content function" error in WordPress backend

Recently in the use of WordPress and Elementor, the background page occasionally pop-up "Missing content function" error, resulting in the page content can not be displayed normally. After troubleshooting, found that this problem with the template calls and theme customization code, want to share with you my ideas to facilitate the encounter of similar problems friends reference.

Problem performance:

• When editing a page in the background, some templates or pages are not loaded and report "Missing content function" error.

• Visit the corresponding page in the frontend and the content is not rendered properly.

Please, is there any way to fix this?

Contact Us
Can't read the tutorial? Contact us for a free answer! Free help for personal, small business sites!	Customer Service
① Tel: 020-2206-9892
② QQ咨询：1025174874
(iii) E-mail: info@361sale.com
④ Working hours: Monday to Friday, 9:30-18:30, holidays off