A PHP Error was encountered

Severity: Notice

Message: Only variable references should be returned by reference

Filename: core/Common.php

Line Number: 257

Database Error

Error Number: 1146

Table 'admin_i4menu._category' doesn't exist

SELECT `id_category` as id, `value`, `cod_cat`, `orders`, `img_name`, (Select count(id_category) FROM _category WHERE cod_cat=id) as n_sub FROM (`_category`) JOIN `_translate` ON `cod_ext` = `id_category` WHERE `type` = 'category' AND `active` = 1 AND `field` = 'name' AND `cod_cat` = '5' AND `cod_lang` = 0 ORDER BY `orders` asc

Filename: /home/admin/domains/i4menu.it/public_html/menu/models/category_model.php

Line Number: 23