Time ago I did a theme for Chrome using a web engine if I’m not mistaken.
It always worked till Chrome upgraded to version 23. Now when I want to install the theme I get this error:
Could not load extension from ‘/extension_path/’. The ‘manifest_version’ key must be present and set to 2 (without quotes). See developer.chrome.com/extensions/manifestVersion.html for details.
I guess I have to open the manifest.json and edit the key value to 2? I really don’t know, never worked with it. How can I open the manifest?
If I have the extension installed and update to 23, it keeps working without any problem.
Check out Chrome’s documentation on Manifest Version. Find the
manifest.jsonfile in the extension’s folder and addin there.