Ah this might be the case if you downgraded and then upgraded version of Power Search. Try to uninstall the plugin, delete the file %APPDATA\calibre\plugins\caps.json (or move it to somewhere) and install the plugin again. For Linux path to the config json file is ~/.config/calibre/plugins/caps.json.
Last edited by mapozyan; 02-23-2022 at 05:32 AM.
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