Add-ons Country flag select 1.5

[XenForo]

XenForo submitted a new resource:

Country flag select - Allows members to select their country flag

Description:
Allows members to select their country flag.

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[XenForo]

XenForo updated Country flag select with a new update entry:

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Country flag select v1.1 changes:
Added 'Select' user group permission.

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[XenForo]

XenForo updated Country flag select with a new update entry:

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Country flag select v1.2 changes:

• Added missing phrase countryflagselect_select.

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[XenForo]

XenForo updated Country flag select with a new update entry:

See description

Country flag select v1.3 changes:

• Updated option description.

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[dedpohl]

Got the following error:
ErrorException: [E_WARNING] Undefined array key "countryFlagSelectPath" in src/addons/Andy/CountryFlagSelect/Pub/Controller/CountryFlagSelect.php at line 18

1. XF::handlePhpError() in src/addons/Andy/CountryFlagSelect/Pub/Controller/CountryFlagSelect.php at line 18
2. Andy\CountryFlagSelect\Pub\Controller\CountryFlagSelect->actionIndex() in src/XF/Mvc/Dispatcher.php at line 352
3. XF\Mvc\Dispatcher->dispatchClass() in src/XF/Mvc/Dispatcher.php at line 259
4. XF\Mvc\Dispatcher->dispatchFromMatch() in src/XF/Mvc/Dispatcher.php at line 115
5. XF\Mvc\Dispatcher->dispatchLoop() in src/XF/Mvc/Dispatcher.php at line 57
6. XF\Mvc\Dispatcher->run() in src/XF/App.php at line 2483
7. XF\App->run() in src/XF.php at line 524
8. XF::runApp() in index.php at line 20

Can somebody help?