404 error on viewer pages

PDF viewer for WordPress PDF viewer for WordPress / Frequenty Asked Questions Last updated on Updated  May 10, 2021

PDF Viewer for WordPress creates 2 pages called ThemeNcode PDF Viewer and ThemeNcode PDF Viewer SC when you install the plugin. You may get 404 error if these pages are deleted somehow.

To solve this: Please go to your plugins page, Deactivate PDF Viewer for WordPress plugin and activate it again. That should solve the issue.