MySQL Query Error:
SELECT
B.SECTION_PROPERTY,
BP.ID PROPERTY_ID,
BSP.SECTION_ID LINK_ID,
BSP.SMART_FILTER,
BSP.DISPLAY_TYPE,
BSP.DISPLAY_EXPANDED,
BSP.FILTER_HINT,
BP.SORT,
BS.LEFT_MARGIN,
BS.NAME LINK_TITLE,
BP.PROPERTY_TYPE,
BP.USER_TYPE,
BP.ACTIVE
FROM
b_iblock B
INNER JOIN b_iblock_property BP ON BP.IBLOCK_ID = B.ID
INNER JOIN b_iblock_section M ON M.ID = 378
INNER JOIN b_iblock_section BS ON BS.IBLOCK_ID = M.IBLOCK_ID
AND M.LEFT_MARGIN >= BS.LEFT_MARGIN
AND M.RIGHT_MARGIN <= BS.RIGHT_MARGIN
INNER JOIN b_iblock_section_property BSP ON BSP.IBLOCK_ID = BS.IBLOCK_ID AND BSP.SECTION_ID = BS.ID AND BSP.PROPERTY_ID = BP.ID
WHERE
B.ID = 22
ORDER BY
BP.SORT ASC, BP.ID ASC, BS.LEFT_MARGIN ASC
[[2006] MySQL server has gone away]