Всё сломалось!

Класс: DB

engine::run();
engine::runComp("catcontent");
catcontent::run();
catcontent::getCurrent("/news/stavka_8_lishnego_ne_prosim/");
DB::execSQL("SELECT cat_common_props.* FROM cat_data_to_sect_rel JOIN cat_common_props ON cat_data_to_sect_rel.sect_id=cat_common_props.item_id WHERE cat_data_to_sect_rel.item_id="a648f2cf" AND prim=1");

SELECT cat_common_props.* FROM cat_data_to_sect_rel JOIN cat_common_props ON cat_data_to_sect_rel.sect_id=cat_common_props.item_id WHERE cat_data_to_sect_rel.item_id="a648f2cf" AND prim=1
MySQL server has gone away