When selecting a menu on the home page, an error appears throughout the page

Hello,

Please make sure that all theme requirements were set as in our guide https://forum.tagdiv.com/requirements-for-newspaper/ you can try to double the wp memory limit, and please make sure you do not have a plugin conflict.
Here is an article about how to fix this problem:
There has been a critical error on your website. Also, please check the permalinks and re-save them -> https://i.imgur.com/MQPtVzl.png

Hope it will help you!

Thank you!