Error: Unknown column 'language_id' in 'where clause' Error

Code: Select all

Error: Unknown column 'language_id' in 'where clause'
Error No: 1054
SELECT * FROM weight_class WHERE language_id = '2'

Code: Select all

INSERT INTO `weight_class` (`weight_class_id`, `value`) VALUES
(1, 1.00000000),
(2, 1000.00000000),
(5, 2.20460000),
(6, 35.27400000);


INSERT INTO `weight_class_description` (`weight_class_id`, `language_id`, `title`, `unit`) VALUES
(1, 1, 'Kilograms', 'kg'),
(2, 1, 'Grams', 'g'),
(1, 2, 'Kilogrammes', 'kg'),
(2, 2, 'Grammes', 'g'),
(5, 1, 'Pound ', 'lb'),
(5, 2, 'Livres ', 'lb'),
(6, 1, 'Ounce', 'oz'),
(6, 2, 'Once', 'oz');