Can someone help me with this? I`m getting this error when going to Tax Tab in backend
1 exception(s): Exception #0 (Exception): Notice: Undefined index: UK in /home/storm/sites/test/vendor/magento/module-directory/Model/Config/Source/Allregion.php on line 92
Exception #0 (Exception): Notice: Undefined index: UK in /home/storm/sites/test/vendor/magento/module-directory/Model/Config/Source/Allregion.php on line 92 #1 Magento\Directory\Model\Config\Source\Allregion->sortRegionCountries()
2 uksort() called at [vendor/magento/module-directory/Model/Config/Source/Allregion.php:66]
3 Magento\Directory\Model\Config\Source\Allregion->toOptionArray() called at [vendor/magento/module-config/Model/Config/Structure/Element/Field.php:458]
4 Magento\Config\Model\Config\Structure\Element\Field->_getOptionsFromSourceModel() called at [vendor/magento/module-config/Model/Config/Structure/Element/Field.php:376]
5 Magento\Config\Model\Config\Structure\Element\Field->getOptions() called at [generated/code/Magento/Config/Model/Config/Structure/Element/Field/Interceptor.php:323]
6 Magento\Config\Model\Config\Structure\Element\Field\Interceptor->getOptions() called at [vendor/magento/module-config/Block/System/Config/Form.php:394]
7 Magento\Config\Block\System\Config\Form->_initElement() called at [vendor/magento/module-config/Block/System/Config/Form.php:316]
8 Magento\Config\Block\System\Config\Form->initFields() called at [generated/code/Magento/Config/Block/System/Config/Form/Interceptor.php:37]
9 Magento\Config\Block\System\Config\Form\Interceptor->initFields() called at [vendor/magento/module-config/Block/System/Config/Form.php:256]
10 Magento\Config\Block\System\Config\Form->_initGroup() called at [vendor/magento/module-config/Block/System/Config/Form.php:202]
11 Magento\Config\Block\System\Config\Form->initForm() called at [generated/code/Magento/Config/Block/System/Config/Form/Interceptor.php:24]
12 Magento\Config\Block\System\Config\Form\Interceptor->initForm() called at [vendor/magento/module-config/Block/System/Config/Form.php:542]
13 Magento\Config\Block\System\Config\Form->_beforeToHtml() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1093]
14 Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element{closure}() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1098]
15 Magento\Framework\View\Element\AbstractBlock->_loadCache() called at [vendor/magento/framework/View/Element/AbstractBlock.php:671]
16 Magento\Framework\View\Element\AbstractBlock->toHtml() called at [generated/code/Magento/Config/Block/System/Config/Form/Interceptor.php:765]
17 Magento\Config\Block\System\Config\Form\Interceptor->toHtml() called at [vendor/magento/framework/View/Layout.php:557]
18 Magento\Framework\View\Layout->_renderBlock() called at [vendor/magento/framework/View/Layout.php:533]
19 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
20 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
21 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
22 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Element/AbstractBlock.php:518]
23 Magento\Framework\View\Element\AbstractBlock->getChildHtml() called at [generated/code/Magento/Config/Block/System/Config/Edit/Interceptor.php:492]
24 Magento\Config\Block\System\Config\Edit\Interceptor->getChildHtml() called at [vendor/magento/module-config/view/adminhtml/templates/system/config/edit.phtml:28]
25 include() called at [vendor/magento/framework/View/TemplateEngine/Php.php:59]
26 Magento\Framework\View\TemplateEngine\Php->render() called at [vendor/magento/framework/View/Element/Template.php:271]
27 Magento\Framework\View\Element\Template->fetchView() called at [vendor/magento/framework/Interception/Interceptor.php:58]
28 Magento\Config\Block\System\Config\Edit\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
29 Magento\Config\Block\System\Config\Edit\Interceptor->Magento\Framework\Interception{closure}() called at [app/code/Manadev/Core/Plugins/ViewWithTemplate.php:33]
30 Manadev\Core\Plugins\ViewWithTemplate->aroundFetchView() called at [vendor/magento/framework/Interception/Interceptor.php:135]
31 Magento\Config\Block\System\Config\Edit\Interceptor->Magento\Framework\Interception{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
32 Magento\Config\Block\System\Config\Edit\Interceptor->___callPlugins() called at [generated/code/Magento/Config/Block/System/Config/Edit/Interceptor.php:260]
33 Magento\Config\Block\System\Config\Edit\Interceptor->fetchView() called at [vendor/magento/framework/View/Element/Template.php:301]
34 Magento\Framework\View\Element\Template->_toHtml() called at [vendor/magento/module-backend/Block/Template.php:129]
35 Magento\Backend\Block\Template->_toHtml() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1094]
36 Magento\Framework\View\Element\AbstractBlock->Magento\Framework\View\Element{closure}() called at [vendor/magento/framework/View/Element/AbstractBlock.php:1098]
37 Magento\Framework\View\Element\AbstractBlock->_loadCache() called at [vendor/magento/framework/View/Element/AbstractBlock.php:671]
38 Magento\Framework\View\Element\AbstractBlock->toHtml() called at [generated/code/Magento/Config/Block/System/Config/Edit/Interceptor.php:583]
39 Magento\Config\Block\System\Config\Edit\Interceptor->toHtml() called at [vendor/magento/framework/View/Layout.php:557]
40 Magento\Framework\View\Layout->_renderBlock() called at [vendor/magento/framework/View/Layout.php:533]
41 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
42 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
43 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
44 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:585]
45 Magento\Framework\View\Layout->_renderContainer() called at [vendor/magento/framework/View/Layout.php:535]
46 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
47 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
48 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
49 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:585]
50 Magento\Framework\View\Layout->_renderContainer() called at [vendor/magento/framework/View/Layout.php:535]
51 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
52 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
53 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
54 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:585]
55 Magento\Framework\View\Layout->_renderContainer() called at [vendor/magento/framework/View/Layout.php:535]
56 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
57 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
58 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
59 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:585]
60 Magento\Framework\View\Layout->_renderContainer() called at [vendor/magento/framework/View/Layout.php:535]
61 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
62 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
63 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
64 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:585]
65 Magento\Framework\View\Layout->_renderContainer() called at [vendor/magento/framework/View/Layout.php:535]
66 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
67 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
68 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
69 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:585]
70 Magento\Framework\View\Layout->_renderContainer() called at [vendor/magento/framework/View/Layout.php:535]
71 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
72 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
73 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
74 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:585]
75 Magento\Framework\View\Layout->_renderContainer() called at [vendor/magento/framework/View/Layout.php:535]
76 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
77 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
78 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
79 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:585]
80 Magento\Framework\View\Layout->_renderContainer() called at [vendor/magento/framework/View/Layout.php:535]
81 Magento\Framework\View\Layout->renderNonCachedElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:206]
82 Magento\Framework\View\Layout\Interceptor->renderNonCachedElement() called at [vendor/magento/framework/View/Layout.php:488]
83 Magento\Framework\View\Layout->renderElement() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:193]
84 Magento\Framework\View\Layout\Interceptor->renderElement() called at [vendor/magento/framework/View/Layout.php:954]
85 Magento\Framework\View\Layout->getOutput() called at [generated/code/Magento/Framework/View/Layout/Interceptor.php:492]
86 Magento\Framework\View\Layout\Interceptor->getOutput() called at [vendor/magento/framework/View/Result/Page.php:258]
87 Magento\Framework\View\Result\Page->render() called at [vendor/magento/framework/View/Result/Layout.php:171]
88 Magento\Framework\View\Result\Layout->renderResult() called at [vendor/magento/framework/Interception/Interceptor.php:58]
89 Magento\Backend\Model\View\Result\Page\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]
90 Magento\Backend\Model\View\Result\Page\Interceptor->Magento\Framework\Interception{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]
91 Magento\Backend\Model\View\Result\Page\Interceptor->___callPlugins() called at [generated/code/Magento/Backend/Model/View/Result/Page/Interceptor.php:195]
92 Magento\Backend\Model\View\Result\Page\Interceptor->renderResult() called at [vendor/magento/framework/App/Http.php:141]
93 Magento\Framework\App\Http->launch() called at [generated/code/Magento/Framework/App/Http/Interceptor.php:24]
94 Magento\Framework\App\Http\Interceptor->launch() called at [vendor/magento/framework/App/Bootstrap.php:261]
95 Magento\Framework\App\Bootstrap->run() called at [pub/index.php:40]
