I install Magento 2.1.2 with demo data template from TemplateMonster. Frontend work well, but Stores -> Configuration crashed with "There has been an error processing your request". In report:
a:4:{i:0;s:203:"Warning: DOMDocument::loadXML(): Opening and ending tag mismatch: section line 7 and group in Entity, line: 625 in C:\wamp65\www\vendor\magento\module-config\Model\Config\Structure\Reader.php on line 132";i:1;s:5166:"#0 [internal function]: Magento\Framework\App\ErrorHandler->handler(2, 'DOMDocument::lo...', 'C:\\wamp65\\www\\v...', 132, Array)
#1 C:\wamp65\www\vendor\magento\module-config\Model\Config\Structure\Reader.php(132): DOMDocument->loadXML('<?xml version="...')
#2 C:\wamp65\www\vendor\magento\module-config\Model\Config\Structure\Reader.php(90): Magento\Config\Model\Config\Structure\Reader->processingDocument('<?xml version="...')
#3 C:\wamp65\www\vendor\magento\framework\Config\Reader\Filesystem.php(127): Magento\Config\Model\Config\Structure\Reader->_readFiles(Object(Magento\Framework\Config\FileIterator))
#4 C:\wamp65\www\vendor\magento\framework\Config\Data\Scoped.php(103): Magento\Framework\Config\Reader\Filesystem->read('adminhtml')
#5 C:\wamp65\www\vendor\magento\framework\Config\Data\Scoped.php(81): Magento\Framework\Config\Data\Scoped->_loadScopedData()
#6 C:\wamp65\www\vendor\magento\module-config\Model\Config\Structure.php(73): Magento\Framework\Config\Data\Scoped->get()
#7 C:\wamp65\www\var\generation\Magento\Config\Model\Config\Structure\Interceptor.php(14): Magento\Config\Model\Config\Structure->__construct(Object(Magento\Config\Model\Config\Structure\Data), Object(Magento\Config\Model\Config\Structure\Element\Iterator\Tab), Object(Magento\Config\Model\Config\Structure\Element\FlyweightFactory), Object(Magento\Config\Model\Config\ScopeDefiner))
#8 C:\wamp65\www\vendor\magento\framework\ObjectManager\Factory\AbstractFactory.php(93): Magento\Config\Model\Config\Structure\Interceptor->__construct(Object(Magento\Config\Model\Config\Structure\Data), Object(Magento\Config\Model\Config\Structure\Element\Iterator\Tab), Object(Magento\Config\Model\Config\Structure\Element\FlyweightFactory), Object(Magento\Config\Model\Config\ScopeDefiner))
#9 C:\wamp65\www\vendor\magento\framework\ObjectManager\Factory\Dynamic\Developer.php(89): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Config\\...', Array)
#10 C:\wamp65\www\vendor\magento\framework\ObjectManager\ObjectManager.php(71): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Config\\...')
#11 C:\wamp65\www\vendor\magento\framework\ObjectManager\Factory\AbstractFactory.php(126): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Config\\...')
#12 C:\wamp65\www\vendor\magento\framework\ObjectManager\Factory\Dynamic\Developer.php(53): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Magento\\Config\\...', NULL, 'configStructure', 'Magento\\Config\\...')
#13 C:\wamp65\www\vendor\magento\framework\ObjectManager\Factory\Dynamic\Developer.php(82): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments('Magento\\Config\\...', Array, Array)
#14 C:\wamp65\www\vendor\magento\framework\ObjectManager\ObjectManager.php(57): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Config\\...', Array)
#15 C:\wamp65\www\vendor\magento\framework\App\ActionFactory.php(40): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Config\\...')
#16 C:\wamp65\www\vendor\magento\framework\App\Router\Base.php(300): Magento\Framework\App\ActionFactory->create('Magento\\Config\\...')
#17 C:\wamp65\www\vendor\magento\framework\App\Router\Base.php(161): Magento\Framework\App\Router\Base->matchAction(Object(Magento\Framework\App\Request\Http), Array)
#18 C:\wamp65\www\vendor\magento\framework\App\FrontController.php(50): Magento\Framework\App\Router\Base->match(Object(Magento\Framework\App\Request\Http))
#19 C:\wamp65\www\vendor\magento\framework\Interception\Interceptor.php(74): Magento\Framework\App\FrontController->dispatch(Object(Magento\Framework\App\Request\Http))
#20 C:\wamp65\www\vendor\magento\framework\Interception\Chain\Chain.php(70): Magento\Framework\App\FrontController\Interceptor->___callParent('dispatch', Array)
#21 C:\wamp65\www\vendor\magento\framework\Interception\Interceptor.php(138): Magento\Framework\Interception\Chain\Chain->invokeNext('Magento\\Framewo...', 'dispatch', Object(Magento\Framework\App\FrontController\Interceptor), Array, 'install')
#22 C:\wamp65\www\vendor\magento\framework\Module\Plugin\DbStatusValidator.php(69): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))
#23 C:\wamp65\www\vendor\magento\framework\Interception\Interceptor.php(142): Magento\Framework\Module\Plugin\DbStatusValidator->aroundDispatch(Object(Magento\Framework\App\FrontController\Interceptor), Object(Closure), Object(Magento\Framework\App\Request\Http))
#24 C:\wamp65\www\var\generation\Magento\Framework\App\FrontController\Interceptor.php(26): Magento\Framework\App\FrontController\Interceptor->___callPlugins('dispatch', Array, Array)
#25 C:\wamp65\www\vendor\magento\framework\App\Http.php(135): Magento\Framework\App\FrontController\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))
#26 C:\wamp65\www\vendor\magento\framework\App\Bootstrap.php(258): Magento\Framework\App\Http->launch()
#27 C:\wamp65\www\index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http))
#28 {main}";s:3:"url";s:102:"/admin/admin/system_config/index/key/3954f45e437246c3d6fa3b91667893b50380ba651566f1d2560ef31e6461b673/";s:11:"script_name";s:10:"/index.php";}Please, help me and sorry my english.
bin/magento setup:upgrade
bin/magento setup:static-content:deploy
bin/magento setup:di:compile
bin/magento index:reindex
Dosn't help
