I'm getting the known message after adding these lines:
exclude:
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\*\language</Item>
include:
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\*\language\resource.language.en_gb</Item>
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\*\language\resource.language.en_us</Item>
exclude:
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\*\resources\language</Item>
include:
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\*\resources\language\English</Item>
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\*\resources\language\English (US)</Item>
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\*\resources\language\resource.language.en_gb</Item>
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\*\resources\language\resource.language.en_us</Item>
exclude:
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\webinterface.default\lang</Item>
include:
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\webinterface.default\lang\en</Item>
<Item>\PortableApps\KodiPortable\App\Kodi*\addons\webinterface.default\lang\_strings\en.json</Item>
exclude:
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\language</Item>
include:
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\language\English</Item>
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\language\English (US)</Item>
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\language\resource.language.en_gb</Item>
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\language\resource.language.en_us</Item>
exclude:
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\lib\pycountry\locales</Item>
include:
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\lib\pycountry\locales\en</Item>
exclude:
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\resources\language</Item>
include:
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\resources\language\English</Item>
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\*\resources\language\English (US)</Item>
exclude:
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\packages</Item>
<Item>\PortableApps\KodiPortable\Data\portable_data\addons\temp</Item>
<Item>\PortableApps\KodiPortable\Data\portable_data\userdata\Thumbnails</Item>