Hi guys can anyone exlain why i am getting this error in magento2 fronend , all commands runs succesfully i have installed amasty extension of layered navigation ,it works fine in dashboard but on frontend there is some attribute missing , any expert can save my time please ???
1 exception(s): Exception #0 (Magento\Framework\Exception\NoSuchEntityException): Attribute with attributeCode "thumbnail" does not exist.
edit : -------------- i solved it my own , i goto my phpadmin
(`SELECT * FROM `eav_attribute)
run this query , and change the attribute_id of thumbnail from 0 to 1 and it works fine now.