Database Error

Could not execute query [Native Error: MySQL server has gone away] [User Info: SELECT SpecField.ID, SpecField.specFieldGroupID, SpecField.name, SpecField.description, SpecField.type, SpecField.dataType, SpecField.position, SpecField.handle, SpecField.isMultiValue, SpecField.isRequired, SpecField.isDisplayed, SpecField.isDisplayedInList, SpecField.valuePrefix, SpecField.valueSuffix, SpecField.categoryID, SpecField.isSortable, SpecFieldGroup.ID AS "SpecFieldGroup_ID", SpecFieldGroup.name AS "SpecFieldGroup_name", SpecFieldGroup.position AS "SpecFieldGroup_position", SpecFieldGroup.categoryID AS "SpecFieldGroup_categoryID" FROM SpecField LEFT JOIN `SpecFieldGroup` AS `SpecFieldGroup` ON SpecField.specFieldGroupID = SpecFieldGroup.ID WHERE (SpecField.categoryID=199 OR (SpecField.categoryID=1) OR (SpecField.categoryID=6) OR (SpecField.categoryID=198) OR (SpecField.categoryID=199)) ORDER BY SpecFieldGroup.position ASC, SpecField.position ASC]