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Fatal error
: Uncaught Error: Call to undefined function wvs_get_wc_attribute_taxonomy() in /var/www/wp-content/themes/pharmacy2/inc/merlin/includes/class-wc-widget-layered-nav.php:329

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Issue with cache Symfony2

I have a problem when I make a change in symfony2 and when I refresh the page, the cache does not get regenerated. The log tells me the following:
AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Class 'Symfony\\Component\\HttpKernel\\Config\\FileLocator' not found in /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache:2812\nStack trace:\n#0 /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache(2769): Symfony\\Component\\HttpKernel\\Kernel->getContainerLoader(Object(Symfony\\Component\\DependencyInjection\\ContainerBuilder))\n#1 /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache(2721): Symfony\\Component\\HttpKernel\\Kernel->buildContainer()\n#2 /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache(2493): Symfony\\Component\\HttpKernel\\Kernel->initializeContainer()\n#3 /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache(2531): Symfony\\Component\\HttpKernel\\Kernel->boot()\n#4 /var/www/vhosts/coosur.com/httpdocs/releases/840/web/app.php(18): Symfony\\Component\\HttpKernel\\Kernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request))\n#5 {main}\n thrown in /var/www/vhosts/coo...', referer: https://www.XXXX.com/
AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Class 'Symfony\\Component\\HttpKernel\\Config\\FileLocator' not found in /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache:2812\nStack trace:\n#0 /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache(2769): Symfony\\Component\\HttpKernel\\Kernel->getContainerLoader(Object(Symfony\\Component\\DependencyInjection\\ContainerBuilder))\n#1 /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache(2721): Symfony\\Component\\HttpKernel\\Kernel->buildContainer()\n#2 /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache(2493): Symfony\\Component\\HttpKernel\\Kernel->initializeContainer()\n#3 /var/www/vhosts/coosur.com/httpdocs/releases/840/app/bootstrap.php.cache(2531): Symfony\\Component\\HttpKernel\\Kernel->boot()\n#4 /var/www/vhosts/coosur.com/httpdocs/releases/840/web/app.php(18): Symfony\\Component\\HttpKernel\\Kernel->handle(Object(Symfony\\Component\\HttpFoundation\\Request))\n#5 {main}\n thrown in /var/www/vhosts/XXX...'
Besides, if I make a change and reload the page, the result is the next:
�Tf8utf8_general_ciPRIselect,insert,update,referencesNEVERvarchar(17),8�defpsalocalesactiveNOenumutf8utf8_general_ciselect,insert,update,referencesNEVERtrueenum('false','true')
Any idea?

How to fix WordPress kses error and fatal error handler

I'm new at making website. Even I only know Html Coding. I'm running a website using WordPress, but it is facing problem everyday at same time. Everyday at the same time site is showing Http 500 error.
So as I don't know any kind of coding, every day I have to delete WordPress from my site then again have to install it then I have to restore website using Updraftplus. But I want to fix this oroblem.
I have an option in my cPanel called "Errors". I find this error from there.
I copied what there was said:
1st error:
[Mon Dec 23 03:46:44.895719 2019] [lsapi:error] [pid 1014092:tid 47766993704704] [client 141.8.188.1:46957] [host gokumovie.com] Backend fatal error: PHP Fatal error: Uncaught Error: Call to undefined function esc_url() in /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php:190\nStack trace:\n#0 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false)\n#1 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false)\n#2 [internal function]: WP_Fatal_Error_Handler->handle()\n#3 {main}\n thrown in /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php on line 190\n
2nd error :
Backend fatal error: PHP Fatal error: Uncaught Error: Call to undefined function wp_kses_normalize_entities() in /home/gokumovi/public_html/wp-includes/formatting.php:4316\nStack trace:\n#0 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(190): esc_url('https://wordpre...')\n#1 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(147): WP_Fatal_Error_Handler->display_default_error_template(Array, false)\n#2 /home/gokumovi/public_html/wp-includes/class-wp-fatal-error-handler.php(52): WP_Fatal_Error_Handler->display_error_template(Array, false)\n#3 [internal function]: WP_Fatal_Error_Handler->handle()\n#4 {main}\n thrown in /home/gokumovi/public_html/wp-includes/formatting.php on line 4316\n

Visual Composer is returning error after installing theme?

My visual composer is not working. It is returning following error in the javascript console:
shortcodes_builder.js?ver=4.6.2:84 SyntaxError: Unexpected token <
custom_views.js?ver=4.6.2:81 Uncaught TypeError: _.template(...).trim is not a function

ReflectionException in Symfony application

i deployed my symfony application on my server and it works fine in dev mode but in prod mode i have this error :
Fatal error: Uncaught exception 'ReflectionException' with message
'Class
Sharincook\MessagerieBundle\Entity\Sharincook\MessagerieBundle\Entity\Message
does not exist
and if i try to clean cache with putty i have this error :
syntax error, unexpected T_STRING, expecting
T_CONSTANT_ENCAPSED_STRING or '(' in ....app/console
so i don't have any ideas
thanks

website fatal error after wordpress upgrade

I get this error after upgrading to the last wordpress version
Fatal error: Call to undefined function is_posts_page() in /home/modernis/public_html/wp-content/themes/room09/home.php on line 19
this is the site with the problem: http://modernist.ro/

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