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Undefined property: DOMDocument::$documentElement in Magento 2


Magento 2 not working on apache2, php7 and ubuntuMagento 2.0 Static Content Deploy PHP Fatal ErrorDOException: SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: YES)error on magento 2 after update php 5 to 7, Warning: require(/var/www/html/vendor/magento/framework/registration.php):?admin grid not workingFatal error: Uncaught RuntimeException:Magento Website ErrorMagento 2.2.7 - PHP Fatal error: Uncaught Error: Class 'DOMDocument' NGINXMagento 2.2.7 NGinx ErrorMagento 2 Installation Error In Docker - File Cannot Be Renamed






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








0
















Notice: Undefined property: DOMDocument::$documentElement in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 148



Fatal error: Uncaught TypeError: Argument 1 passed to
MagentoFrameworkConfigDom::_mergeNode() must be an instance of
DOMElement, null given, called in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 148 and defined in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php:164
Stack trace: #0
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php(148):
MagentoFrameworkConfigDom->_mergeNode(NULL, '') #1
/var/www/html/projectnenny/vendor/magento/framework/Config/Reader/Filesystem.php(151):
MagentoFrameworkConfigDom->merge('_readFiles(Object(MagentoFrameworkConfigFileIterator))
3 /var/www/html/projectnenny/generated/code/Magento/Framework/ObjectManager/Config/Reader/Dom/Proxy.php(95):
MagentoFrameworkConfigReaderFilesystem->read('global') #4
/var/www/html/projectnenny/vendor/magento/framework/Interception/C in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 164





Normally I use PHP 7.2 for Magento 2. Recently I received a complete
project in Magento that is not running in PHP 7.2, so I change my PHP version to 7.0 also. Install all required extensions in PHP 7.0
version



and when open my project Home page receiving this error.
after that also run all issue related commands like:-



sudo apt-get install php7.0-dom 


and



sudo apt-get install php7.0-xml


but my problem is not solved.



Please help










share|improve this question


























  • What is the magento version of your new project

    – surbhi agr
    Jul 22 at 10:33

















0
















Notice: Undefined property: DOMDocument::$documentElement in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 148



Fatal error: Uncaught TypeError: Argument 1 passed to
MagentoFrameworkConfigDom::_mergeNode() must be an instance of
DOMElement, null given, called in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 148 and defined in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php:164
Stack trace: #0
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php(148):
MagentoFrameworkConfigDom->_mergeNode(NULL, '') #1
/var/www/html/projectnenny/vendor/magento/framework/Config/Reader/Filesystem.php(151):
MagentoFrameworkConfigDom->merge('_readFiles(Object(MagentoFrameworkConfigFileIterator))
3 /var/www/html/projectnenny/generated/code/Magento/Framework/ObjectManager/Config/Reader/Dom/Proxy.php(95):
MagentoFrameworkConfigReaderFilesystem->read('global') #4
/var/www/html/projectnenny/vendor/magento/framework/Interception/C in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 164





Normally I use PHP 7.2 for Magento 2. Recently I received a complete
project in Magento that is not running in PHP 7.2, so I change my PHP version to 7.0 also. Install all required extensions in PHP 7.0
version



and when open my project Home page receiving this error.
after that also run all issue related commands like:-



sudo apt-get install php7.0-dom 


and



sudo apt-get install php7.0-xml


but my problem is not solved.



Please help










share|improve this question


























  • What is the magento version of your new project

    – surbhi agr
    Jul 22 at 10:33













0












0








0









Notice: Undefined property: DOMDocument::$documentElement in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 148



Fatal error: Uncaught TypeError: Argument 1 passed to
MagentoFrameworkConfigDom::_mergeNode() must be an instance of
DOMElement, null given, called in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 148 and defined in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php:164
Stack trace: #0
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php(148):
MagentoFrameworkConfigDom->_mergeNode(NULL, '') #1
/var/www/html/projectnenny/vendor/magento/framework/Config/Reader/Filesystem.php(151):
MagentoFrameworkConfigDom->merge('_readFiles(Object(MagentoFrameworkConfigFileIterator))
3 /var/www/html/projectnenny/generated/code/Magento/Framework/ObjectManager/Config/Reader/Dom/Proxy.php(95):
MagentoFrameworkConfigReaderFilesystem->read('global') #4
/var/www/html/projectnenny/vendor/magento/framework/Interception/C in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 164





Normally I use PHP 7.2 for Magento 2. Recently I received a complete
project in Magento that is not running in PHP 7.2, so I change my PHP version to 7.0 also. Install all required extensions in PHP 7.0
version



and when open my project Home page receiving this error.
after that also run all issue related commands like:-



sudo apt-get install php7.0-dom 


and



sudo apt-get install php7.0-xml


but my problem is not solved.



Please help










share|improve this question

















Notice: Undefined property: DOMDocument::$documentElement in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 148



Fatal error: Uncaught TypeError: Argument 1 passed to
MagentoFrameworkConfigDom::_mergeNode() must be an instance of
DOMElement, null given, called in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 148 and defined in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php:164
Stack trace: #0
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php(148):
MagentoFrameworkConfigDom->_mergeNode(NULL, '') #1
/var/www/html/projectnenny/vendor/magento/framework/Config/Reader/Filesystem.php(151):
MagentoFrameworkConfigDom->merge('_readFiles(Object(MagentoFrameworkConfigFileIterator))
3 /var/www/html/projectnenny/generated/code/Magento/Framework/ObjectManager/Config/Reader/Dom/Proxy.php(95):
MagentoFrameworkConfigReaderFilesystem->read('global') #4
/var/www/html/projectnenny/vendor/magento/framework/Interception/C in
/var/www/html/projectnenny/vendor/magento/framework/Config/Dom.php on
line 164





Normally I use PHP 7.2 for Magento 2. Recently I received a complete
project in Magento that is not running in PHP 7.2, so I change my PHP version to 7.0 also. Install all required extensions in PHP 7.0
version



and when open my project Home page receiving this error.
after that also run all issue related commands like:-



sudo apt-get install php7.0-dom 


and



sudo apt-get install php7.0-xml


but my problem is not solved.



Please help







magento2 php-7 php-7.2 dom






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jul 22 at 10:26









Raj Mohan R

1,7473 silver badges13 bronze badges




1,7473 silver badges13 bronze badges










asked Jul 20 at 6:36









Mahendar SinghMahendar Singh

407 bronze badges




407 bronze badges















  • What is the magento version of your new project

    – surbhi agr
    Jul 22 at 10:33

















  • What is the magento version of your new project

    – surbhi agr
    Jul 22 at 10:33
















What is the magento version of your new project

– surbhi agr
Jul 22 at 10:33





What is the magento version of your new project

– surbhi agr
Jul 22 at 10:33










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