[intec\core\db\Exception] 
SQLSTATE[HY000]: General error: 2006 MySQL server has gone away
The SQL being executed was: SELECT
    kcu.constraint_name,
    kcu.column_name,
    kcu.referenced_table_name,
    kcu.referenced_column_name
FROM information_schema.referential_constraints AS rc
JOIN information_schema.key_column_usage AS kcu ON
    (
        kcu.constraint_catalog = rc.constraint_catalog OR
        (kcu.constraint_catalog IS NULL AND rc.constraint_catalog IS NULL)
    ) AND
    kcu.constraint_schema = rc.constraint_schema AND
    kcu.constraint_name = rc.constraint_name
WHERE rc.constraint_schema = database() AND kcu.table_schema = database()
AND rc.table_name = 'constructor_builds_templates' AND kcu.table_name = 'constructor_builds_templates' (0)
/home/bitrix/www/bitrix/modules/intec.core/classes/db/Schema.php:560
#0: intec\core\db\Schema->convertException(object, string)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/Command.php:735
#1: intec\core\db\Command->queryInternal(string, NULL)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/Command.php:280
#2: intec\core\db\Command->queryAll()
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/mysql/Schema.php:264
#3: intec\core\db\mysql\Schema->findConstraints(object)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/mysql/Schema.php:93
#4: intec\core\db\mysql\Schema->loadTableSchema(string)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/Schema.php:134
#5: intec\core\db\Schema->getTableSchema(string)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveRecord.php:208
#6: intec\core\db\ActiveRecord::getTableSchema()
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveRecord.php:232
#7: intec\core\db\ActiveRecord->attributes()
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveRecordBase.php:402
#8: intec\core\db\ActiveRecordBase->hasAttribute(string)
	/home/bitrix/www/bitrix/modules/intec.core/classes/behaviors/FieldArray.php:41
#9: intec\core\behaviors\FieldArray->initialize(object)
	
#10: call_user_func(array, object)
	/home/bitrix/www/bitrix/modules/intec.core/classes/base/Component.php:406
#11: intec\core\base\Component->trigger(string)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveRecordBase.php:739
#12: intec\core\db\ActiveRecordBase->init()
	/home/bitrix/www/bitrix/modules/intec.core/classes/base/BaseObject.php:32
#13: intec\core\base\BaseObject->__construct()
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveRecordBase.php:919
#14: intec\core\db\ActiveRecordBase::instantiate(array)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveQueryTrait.php:97
#15: intec\core\db\ActiveQuery->createModels(array)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveQuery.php:174
#16: intec\core\db\ActiveQuery->populate(array)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/Query.php:135
#17: intec\core\db\Query->all(NULL)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveQuery.php:89
#18: intec\core\db\ActiveQuery->all(NULL, boolean)
	/home/bitrix/www/bitrix/modules/intec.core/classes/db/ActiveRecord.php:644
#19: intec\core\db\ActiveRecord->relation(string, object, boolean, boolean)
	/home/bitrix/www/bitrix/modules/intec.constructor/classes/models/Build.php:326
#20: intec\constructor\models\Build->getTemplates(boolean)
	/home/bitrix/www/bitrix/modules/intec.constructor/classes/models/Build.php:341
#21: intec\constructor\models\Build->getTemplate()
	/home/bitrix/www/bitrix/components/intec.universe/settings/component.php:38
#22: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:594
#23: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:653
#24: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1038
#25: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/home/bitrix/www/bitrix/templates/universe_s1/header.php:51
#26: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_after.php:106
#27: require(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:11
#28: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#29: require(string)
	/home/bitrix/www/catalog/index.php:1
#30: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#31: include_once(string)
	/home/bitrix/www/404.php:2