Error: Error: MySQL server has gone away<br/>Error No: 2006<br/>
			SELECT 
				MAX(a.attribute_id) attribute_id, 
				MAX(ad.name) attribute_name, 
				MAX(pa.text) value, 
				COUNT(*) total 
			FROM `oc_product` p
			LEFT JOIN `oc_product_attribute` pa ON (p.product_id = pa.product_id)
			LEFT JOIN `oc_attribute` a ON (a.attribute_id = pa.attribute_id) 
			LEFT JOIN `oc_attribute_description` ad ON (ad.attribute_id = a.attribute_id)
		 
					LEFT JOIN oc_product_viewed pw ON (p.product_id = pw.product_id)
				 LEFT JOIN `oc_product_to_category` p2c ON (p2c.product_id = p.product_id) LEFT JOIN `oc_category_path` cp ON (cp.category_id = p2c.category_id) 
			LEFT JOIN `oc_product_description` pd ON (p.product_id = pd.product_id)
			LEFT JOIN `oc_product_to_store` p2s ON (p.product_id = p2s.product_id)
			WHERE 
				p.status = '1' 
				AND p.date_available <= NOW() 
				AND p2s.store_id = '0'
				AND pd.language_id = '2'
		 AND cp.path_id = '5657'
				AND pa.language_id = '2' 
				AND ad.language_id = '2' 
			GROUP BY lower(pa.text), a.attribute_id 
			HAVING COUNT(*) > 0
		
File: /var/www/html/system/library/db/mysqli.php
Line: 122

Backtrace: 0
File: /var/www/html/system/library/db.php
Line: 63
Class: Opencart\System\Library\DB\MySQLi
Function: query

Backtrace: 1
File: /var/www/html/catalog/model/journal3/filter.php
Line: 411
Class: Opencart\System\Library\DB
Function: query

Backtrace: 2
File: /var/www/html/system/engine/loader.php
Line: 343
Class: ModelJournal3Filter
Function: getAttributes

Backtrace: 3
File: /var/www/html/system/engine/proxy.php
Line: 87
Class: Opencart\System\Engine\Loader
Function: Opencart\System\Engine\{closure}

Backtrace: 4
File: /var/www/html/catalog/controller/journal3/filter.php
Line: 334
Class: Opencart\System\Engine\Proxy
Function: __call

Backtrace: 5
File: /var/www/html/catalog/controller/journal3/filter.php
Line: 151
Class: ControllerJournal3Filter
Function: beforeRender

Backtrace: 6
File: /var/www/html/system/engine/loader.php
Line: 112
Class: ControllerJournal3Filter
Function: index

Backtrace: 7
File: /var/www/html/catalog/controller/journal3/grid.php
Line: 263
Class: Opencart\System\Engine\Loader
Function: controller

Backtrace: 8
File: /var/www/html/system/engine/loader.php
Line: 112
Class: ControllerJournal3Grid
Function: grid

Backtrace: 9
File: /var/www/html/catalog/controller/journal3/event/layout.php
Line: 318
Class: Opencart\System\Engine\Loader
Function: controller

Backtrace: 10
File: /var/www/html/system/engine/action.php
Line: 96
Class: ControllerJournal3EventLayout
Function: controller_common_position_before

Backtrace: 11
File: /var/www/html/system/engine/event.php
Line: 72
Class: Opencart\System\Engine\Action
Function: execute

Backtrace: 12
File: /var/www/html/system/engine/loader.php
Line: 110
Class: Opencart\System\Engine\Event
Function: trigger

Backtrace: 13
File: /var/www/html/catalog/controller/product/category.php
Line: 411
Class: Opencart\System\Engine\Loader
Function: controller

Backtrace: 14
File: /var/www/html/system/engine/action.php
Line: 96
Class: Opencart\Catalog\Controller\Product\Category
Function: index

Backtrace: 15
File: /var/www/html/system/framework.php
Line: 259
Class: Opencart\System\Engine\Action
Function: execute

Backtrace: 16
File: /var/www/html/index.php
Line: 20
Function: require_once

<br />
<b>Fatal error</b>:  Uncaught Exception: Error: MySQL server has gone away&lt;br/&gt;Error No: 2006&lt;br/&gt;REPLACE INTO `oc_session` SET `session_id` = '2b444c8886ce27b90b12596354', `data` = '{\&quot;currency\&quot;:\&quot;AZN\&quot;}', `expire` = '2025-10-31 23:58:37' in /var/www/html/system/library/db/mysqli.php:122
Stack trace:
#0 /var/www/html/system/library/db.php(63): Opencart\System\Library\DB\MySQLi-&gt;query('REPLACE INTO `o...')
#1 /var/www/html/system/library/session/db.php(63): Opencart\System\Library\DB-&gt;query('REPLACE INTO `o...')
#2 /var/www/html/system/library/session.php(89): Opencart\System\Library\Session\DB-&gt;write('2b444c8886ce27b...', Array)
#3 [internal function]: Opencart\System\Library\Session-&gt;close()
#4 {main}
  thrown in <b>/var/www/html/system/library/db/mysqli.php</b> on line <b>122</b><br />