Hello, dear client! There are many reasons for that.
1) Please check that the plugin Alidropship is up to date (WP Dashboard —> Updates – click 'Check again' or double
check the updates page of our site.
2) Make sure that the Chrome extension is active and is updated to the latest version.
You can delete and install it again.
3) Clear the cache of your Chrome browser or reinstall the browser.
4) Re-save the permalinks as explained in this guide:
Page error 404
5) Deactivate all third-party Google Chrome extensions and plugins.
6) Disable Mod Security on your hosting:
7) Disable Cloudflare on your hosting.