M2.3.3 - There has been an error processing

[qwyrp]

I've got the following error and I don't know how to fix it
There has been an error processing your request

Exception printing is disabled by default for security reasons.

Error log record number: 1515847856505

And var/report/1515847856505 statet the following:

{"0":"Notice: SessionHandler::gc(): ps_files_cleanup_dir: opendir(\/var\/cpanel\/php\/sessions\/ea-php72) failed: Permission denied (13) in \/home\/stagingsvw2\/public_html\/vendor\/magento\/framework\/Session\/SaveHandler.php on line 116","1":"<pre>#1 SessionHandler->gc(14400) called at [vendor\/magento\/framework\/Session\/SaveHandler.php:116]\n#2 Magento\\Framework\\Session\\SaveHandler->gc(14400)\n#3 session_start() called at [vendor\/magento\/framework\/Session\/SessionManager.php:208]\n#4 Magento\\Framework\\Session\\SessionManager->start() called at [generated\/code\/Magento\/Backend\/Model\/Auth\/Session\/Interceptor.php:167]\n#5 Magento\\Backend\\Model\\Auth\\Session\\Interceptor->start() called at [vendor\/magento\/framework\/Session\/SessionManager.php:140]\n#6 Magento\\Framework\\Session\\SessionManager->__construct(&Magento\\Framework\\App\\Request\\Http#0000000063387772000000002458b099#, &Magento\\Framework\\Session\\SidResolver\\Proxy#000000006338772b000000002458b099#, &Magento\\Backend\\Model\\Session\\AdminConfig#00000000633876a2000000002458b099#, &Magento\\Framework\\Session\\SaveHandler#00000000633876ba000000002458b099#, &Magento\\Framework\\Session\\Validator#0000000063387641000000002458b099#, &Magento\\Framework\\Session\\Storage#0000000063387647000000002458b099#, &Magento\\Framework\\Stdlib\\Cookie\\PhpCookieManager#000000006338777b000000002458b099#, &Magento\\Framework\\Stdlib\\Cookie\\CookieMetadataFactory#0000000063387707000000002458b099#, &Magento\\Framework\\App\\State\\Interceptor#00000000633877de000000002458b099#) called at [vendor\/magento\/module-backend\/Model\/Auth\/Session.php:101]\n#7 Magento\\Backend\\Model\\Auth\\Session->__construct(&Magento\\Framework\\App\\Request\\Http#0000000063387772000000002458b099#, &Magento\\Framework\\Session\\SidResolver\\Proxy#000000006338772b000000002458b099#, &Magento\\Backend\\Model\\Session\\AdminConfig#00000000633876a2000000002458b099#, &Magento\\Framework\\Session\\SaveHandler#00000000633876ba000000002458b099#, &Magento\\Framework\\Session\\Validator#0000000063387641000000002458b099#, &Magento\\Framework\\Session\\Storage#0000000063387647000000002458b099#, &Magento\\Framework\\Stdlib\\Cookie\\PhpCookieManager#000000006338777b000000002458b099#, &Magento\\Framework\\Stdlib\\Cookie\\CookieMetadataFactory#0000000063387707000000002458b099#, &Magento\\Framework\\App\\State\\Interceptor#00000000633877de000000002458b099#, &Magento\\Framework\\Acl\\Builder\\Proxy#0000000063387642000000002458b099#, &Magento\\Backend\\Model\\UrlInterface\\Proxy#00000000633876ce000000002458b099#, &Magento\\Backend\\App\\Config#00000000633876c4000000002458b099#) called at [generated\/code\/Magento\/Backend\/Model\/Auth\/Session\/Interceptor.php:14]\n#8 Magento\\Backend\\Model\\Auth\\Session\\Interceptor->__construct(&Magento\\Framework\\App\\Request\\Http#0000000063387772000000002458b099#, &Magento\\Framework\\Session\\SidResolver\\Proxy#000000006338772b000000002458b099#, &Magento\\Backend\\Model\\Session\\AdminConfig#00000000633876a2000000002458b099#, &Magento\\Framework\\Session\\SaveHandler#00000000633876ba000000002458b099#, &Magento\\Framework\\Session\\Validator#0000000063387641000000002458b099#, &Magento\\Framework\\Session\\Storage#0000000063387647000000002458b099#, &Magento\\Framework\\Stdlib\\Cookie\\PhpCookieManager#000000006338777b000000002458b099#, &Magento\\Framework\\Stdlib\\Cookie\\CookieMetadataFactory#0000000063387707000000002458b099#, &Magento\\Framework\\App\\State\\Interceptor#00000000633877de000000002458b099#, &Magento\\Framework\\Acl\\Builder\\Proxy#0000000063387642000000002458b099#, &Magento\\Backend\\Model\\UrlInterface\\Proxy#00000000633876ce000000002458b099#, &Magento\\Backend\\App\\Config#00000000633876c4000000002458b099#) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:116]\n#9 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->createObject('Magento\\Backend\\...', array(&Magento\\Framework\\App\\Request\\Http#0000000063387772000000002458b099#, &Magento\\Framework\\Session\\SidResolver\\Proxy#000000006338772b000000002458b099#, &Magento\\Backend\\Model\\Session\\AdminConfig#00000000633876a2000000002458b099#, &Magento\\Framework\\Session\\SaveHandler#00000000633876ba000000002458b099#, &Magento\\Framework\\Session\\Validator#0000000063387641000000002458b099#, &Magento\\Framework\\Session\\Storage#0000000063387647000000002458b099#, &Magento\\Framework\\Stdlib\\Cookie\\PhpCookieManager#000000006338777b000000002458b099#, &Magento\\Framework\\Stdlib\\Cookie\\CookieMetadataFactory#0000000063387707000000002458b099#, &Magento\\Framework\\App\\State\\Interceptor#00000000633877de000000002458b099#, &Magento\\Framework\\Acl\\Builder\\Proxy#0000000063387642000000002458b099#, &Magento\\Backend\\Model\\UrlInterface\\Proxy#00000000633876ce000000002458b099#, &Magento\\Backend\\App\\Config#00000000633876c4000000002458b099#)) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/Dynamic\/Developer.php:66]\n#10 Magento\\Framework\\ObjectManager\\Factory\\Dynamic\\Developer->create('Magento\\Backend\\...') called at [vendor\/magento\/framework\/ObjectManager\/ObjectManager.php:70]\n#11 Magento\\Framework\\ObjectManager\\ObjectManager->get('Magento\\Backend\\...') called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:160]\n#12 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->resolveArgument(array('instance' => 'Magento\\Backend\\...'), 'Magento\\Backend\\...', NULL, 'authStorage', 'Magento\\Backend\\...') called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:246]\n#13 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->resolveArgumentsInRuntime('Magento\\Backend\\...', array(array('eventManager', 'Magento\\Framewor...', true, NULL), array('backendData', 'Magento\\Backend\\...', true, NULL), array('authStorage', 'Magento\\Backend\\...', true, NULL), array('credentialStorag...', 'Magento\\Backend\\...', true, NULL), array('coreConfig', 'Magento\\Framewor...', true, NULL), array('modelFactory', 'Magento\\Framewor...', true, NULL)), array()) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/Dynamic\/Developer.php:34]\n#14 Magento\\Framework\\ObjectManager\\Factory\\Dynamic\\Developer->_resolveArguments('Magento\\Backend\\...', array(array('eventManager', 'Magento\\Framewor...', true, NULL), array('backendData', 'Magento\\Backend\\...', true, NULL), array('authStorage', 'Magento\\Backend\\...', true, NULL), array('credentialStorag...', 'Magento\\Backend\\...', true, NULL), array('coreConfig', 'Magento\\Framewor...', true, NULL), array('modelFactory', 'Magento\\Framewor...', true, NULL)), array()) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/Dynamic\/Developer.php:59]\n#15 Magento\\Framework\\ObjectManager\\Factory\\Dynamic\\Developer->create('Magento\\Backend\\...') called at [vendor\/magento\/framework\/ObjectManager\/ObjectManager.php:70]\n#16 Magento\\Framework\\ObjectManager\\ObjectManager->get('Magento\\Backend\\...') called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:160]\n#17 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->resolveArgument(array('instance' => 'Magento\\Backend\\...'), 'Magento\\Backend\\...', NULL, 'auth', 'Magento\\Backend\\...') called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:246]\n#18 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->resolveArgumentsInRuntime('Magento\\Backend\\...', array(array('auth', 'Magento\\Backend\\...', true, NULL), array('formKeyValidator', 'Magento\\Framewor...', true, NULL), array('backendUrl', 'Magento\\Backend\\...', true, NULL), array('redirectFactory', 'Magento\\Framewor...', true, NULL), array('rawResultFactory', 'Magento\\Framewor...', true, NULL)), array()) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/Dynamic\/Developer.php:34]\n#19 Magento\\Framework\\ObjectManager\\Factory\\Dynamic\\Developer->_resolveArguments('Magento\\Backend\\...', array(array('auth', 'Magento\\Backend\\...', true, NULL), array('formKeyValidator', 'Magento\\Framewor...', true, NULL), array('backendUrl', 'Magento\\Backend\\...', true, NULL), array('redirectFactory', 'Magento\\Framewor...', true, NULL), array('rawResultFactory', 'Magento\\Framewor...', true, NULL)), array()) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/Dynamic\/Developer.php:59]\n#20 Magento\\Framework\\ObjectManager\\Factory\\Dynamic\\Developer->create('Magento\\Backend\\...') called at [vendor\/magento\/framework\/ObjectManager\/ObjectManager.php:70]\n#21 Magento\\Framework\\ObjectManager\\ObjectManager->get('Magento\\Backend\\...') called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:196]\n#22 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->parseArray(array('csrf_validator' => array('instance' => 'CsrfRequestValid...'), 'http_method_vali...' => array('instance' => 'Magento\\Framewor...'))) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:172]\n#23 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->resolveArgument(array('csrf_validator' => array('instance' => 'CsrfRequestValid...'), 'http_method_vali...' => array('instance' => 'Magento\\Framewor...')), NULL, NULL, 'validators', 'RequestValidator') called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:246]\n#24 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->resolveArgumentsInRuntime('RequestValidator', array(array('validators', NULL, true, NULL)), array('validators' => array('csrf_validator' => array('instance' => 'CsrfRequestValid...'), 'http_method_vali...' => array('instance' => 'Magento\\Framewor...')))) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/Dynamic\/Developer.php:34]\n#25 Magento\\Framework\\ObjectManager\\Factory\\Dynamic\\Developer->_resolveArguments('RequestValidator', array(array('validators', NULL, true, NULL)), array('validators' => array('csrf_validator' => array('instance' => 'CsrfRequestValid...'), 'http_method_vali...' => array('instance' => 'Magento\\Framewor...')))) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/Dynamic\/Developer.php:59]\n#26 Magento\\Framework\\ObjectManager\\Factory\\Dynamic\\Developer->create('RequestValidator') called at [vendor\/magento\/framework\/ObjectManager\/ObjectManager.php:70]\n#27 Magento\\Framework\\ObjectManager\\ObjectManager->get('RequestValidator') called at [vendor\/magento\/framework\/App\/FrontController.php:71]\n#28 Magento\\Framework\\App\\FrontController->__construct(&Magento\\Framework\\App\\RouterList#0000000063387698000000002458b099#, &Magento\\Framework\\App\\Response\\Http\\Interceptor#0000000063387705000000002458b099#, NULL, NULL, NULL) called at [generated\/code\/Magento\/Framework\/App\/FrontController\/Interceptor.php:14]\n#29 Magento\\Framework\\App\\FrontController\\Interceptor->__construct(&Magento\\Framework\\App\\RouterList#0000000063387698000000002458b099#, &Magento\\Framework\\App\\Response\\Http\\Interceptor#0000000063387705000000002458b099#, NULL, NULL, NULL) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/AbstractFactory.php:116]\n#30 Magento\\Framework\\ObjectManager\\Factory\\AbstractFactory->createObject('Magento\\Framewor...', array(&Magento\\Framework\\App\\RouterList#0000000063387698000000002458b099#, &Magento\\Framework\\App\\Response\\Http\\Interceptor#0000000063387705000000002458b099#, NULL, NULL, NULL)) called at [vendor\/magento\/framework\/ObjectManager\/Factory\/Dynamic\/Developer.php:66]\n#31 Magento\\Framework\\ObjectManager\\Factory\\Dynamic\\Developer->create('Magento\\Framewor...') called at [vendor\/magento\/framework\/ObjectManager\/ObjectManager.php:70]\n#32 Magento\\Framework\\ObjectManager\\ObjectManager->get('Magento\\Framewor...') called at [vendor\/magento\/framework\/App\/Http.php:136]\n#33 Magento\\Framework\\App\\Http->launch() called at [generated\/code\/Magento\/Framework\/App\/Http\/Interceptor.php:24]\n#34 Magento\\Framework\\App\\Http\\Interceptor->launch() called at [vendor\/magento\/framework\/App\/Bootstrap.php:261]\n#35 Magento\\Framework\\App\\Bootstrap->run(&Magento\\Framework\\App\\Http\\Interceptor#000000006338770c000000002458b099#) called at [index.php:39]\n<\/pre>","url":"\/bsbeheer\/theme\/design_config\/edit\/scope\/default\/key\/aea8053ed3804a06bc0590cc57bd2bc08bea9ff3e5028686b1b3322196c79056\/","script_name":"\/index.php"}

[Rahul Gupta · Accepted solution]

@qwyrp please use the below commands.

sudo rm -rf var/cache/* generated/*
sudo chmod 777 -R var/ generated/ pub/static/

Thanks