MySQL Query Error:
SELECT distinct
IBLOCK_ELEMENT_ID
FROM
`b_iblock_element_property`
WHERE
`IBLOCK_PROPERTY_ID` IN (372, 496) AND `VALUE` IN (
SELECT ID
FROM `b_iblock_property_enum`
WHERE XML_ID = '103892ed-c98b-11e9-966d-002590746688' AND PROPERTY_ID IN (372, 496)
)
[[2006] MySQL server has gone away]