Quote:
Originally Posted by theducks
The QT4 error in post 164 says your PI is not Calibre2.x compatible (Calibre 2.x uses QT5)
Update the PI named if available.
or
Go back to Calibre 1.48 (you will not be able to use any newer function or devices)
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No, it doesn't. If it meant that, the plugin wouldn't even have been loaded.
It actually means he/she switched between 2.x and 1.x which is easily fixed:
Go to Preferences | Advanced | Plugins | Device Interface plugins, select iOS reader applications.
Click Remove plugin.
Click Apply.
Go to Preferences | Advanced | Miscellaneous, click Open calibre configuration directory.
Open the plugins folder.
Delete iOS reader applications.json.
Delete the iOS_reader_applications_resources folder.
Restart calibre.
Then try installing the plugin(s) again.