[Bitrix\Main\DB\SqlQueryException] 
Mysql query error: (1) Can't create/write to file '/tmp/MYXmqG7c' (Errcode: 28 "No space left on device") (400)

				SELECT FROM_MODULE_ID, MESSAGE_ID, SORT, TO_MODULE_ID, TO_PATH,
					TO_CLASS, TO_METHOD, TO_METHOD_ARG, VERSION
				FROM b_module_to_module m2m
					INNER JOIN b_module m ON (m2m.TO_MODULE_ID = m.ID)
				ORDER BY SORT
			
/web/sys4tec/htdocs/bitrix/modules/main/lib/db/mysqliconnection.php:146
#0: Bitrix\Main\DB\MysqliConnection->queryInternal
	/web/sys4tec/htdocs/bitrix/modules/main/lib/db/connection.php:327
#1: Bitrix\Main\DB\Connection->query
	/web/sys4tec/htdocs/bitrix/modules/main/lib/eventmanager.php:243
#2: Bitrix\Main\EventManager->loadEventHandlers
	/web/sys4tec/htdocs/bitrix/modules/main/lib/eventmanager.php:346
#3: Bitrix\Main\EventManager->findEventHandlers
	/web/sys4tec/htdocs/bitrix/modules/main/lib/eventmanager.php:381
#4: Bitrix\Main\EventManager->send
	/web/sys4tec/htdocs/bitrix/modules/main/lib/event.php:142
#5: Bitrix\Main\Event->send
	/web/sys4tec/htdocs/bitrix/modules/main/classes/general/usertype.php:1285
#6: CUserTypeManager->getEntityList
	/web/sys4tec/htdocs/bitrix/modules/main/lib/orm/entity.php:324
#7: Bitrix\Main\ORM\Entity->postInitialize
	/web/sys4tec/htdocs/bitrix/modules/main/lib/orm/entity.php:129
#8: Bitrix\Main\ORM\Entity::getInstanceDirect
	/web/sys4tec/htdocs/bitrix/modules/main/lib/orm/entity.php:107
#9: Bitrix\Main\ORM\Entity::getInstance
	/web/sys4tec/htdocs/bitrix/modules/main/lib/orm/data/datamanager.php:84
#10: Bitrix\Main\ORM\Data\DataManager::getEntity
	/web/sys4tec/htdocs/bitrix/modules/main/lib/session/handlers/table/usersessiontable.php:112
#11: Bitrix\Main\Session\Handlers\Table\UserSessionTable::lock
	/web/sys4tec/htdocs/bitrix/modules/main/lib/session/handlers/databasesessionhandler.php:50
#12: Bitrix\Main\Session\Handlers\DatabaseSessionHandler->lock
	/web/sys4tec/htdocs/bitrix/modules/main/lib/session/handlers/abstractsessionhandler.php:54
#13: Bitrix\Main\Session\Handlers\AbstractSessionHandler->read
	
#14: session_start
	/web/sys4tec/htdocs/bitrix/modules/main/lib/session/session.php:152
#15: Bitrix\Main\Session\Session->start
	/web/sys4tec/htdocs/bitrix/modules/main/lib/session/kernelsessionproxy.php:42
#16: Bitrix\Main\Session\KernelSessionProxy->start
	/web/sys4tec/htdocs/bitrix/modules/main/include.php:169
#17: require_once(string)
	/web/sys4tec/htdocs/bitrix/modules/main/include/prolog_before.php:14
#18: require_once(string)
	/web/sys4tec/htdocs/bitrix/modules/main/include/prolog.php:10
#19: require_once(string)
	/web/sys4tec/htdocs/bitrix/header.php:1
#20: require(string)
	/web/sys4tec/htdocs/404.php:10
#21: include_once(string)
	/web/sys4tec/htdocs/bitrix/urlrewrite.php:4
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