Magento – Getting error: Unknown Column ‘Ca.Sort_order’ In ‘Order Clause’ and ‘eav/’ not found.

Try below query to fix it.

UPDATE `eav_entity_type`
SET `attribute_model` = ‘customer/attribute’,
`additional_attribute_table` = ‘customer/eav_attribute’,
`entity_attribute_collection` = ‘customer/attribute_collection’
WHERE `eav_entity_type`.`entity_type_code` = ‘customer’