[Bitrix\Main\ArgumentException] 
Empty primary found when trying to query StationsRegions row. (100)
/home/bitrix/ext_www/solarstrategia.com/bitrix/modules/main/lib/orm/data/datamanager.php:606
#0: Bitrix\Main\ORM\Data\DataManager::validatePrimary(array)
	/home/bitrix/ext_www/solarstrategia.com/bitrix/modules/main/lib/orm/data/datamanager.php:310
#1: Bitrix\Main\ORM\Data\DataManager::getByPrimary(array)
	/home/bitrix/ext_www/solarstrategia.com/bitrix/modules/main/lib/orm/data/datamanager.php:343
#2: Bitrix\Main\ORM\Data\DataManager::getById(NULL)
	/home/bitrix/ext_www/solarstrategia.com/calculator/result.php:16