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I don't know why this is happening. when i click edit/add product button i got error

Exception #0 (ReflectionException): Class Mageplaza\Productslider\Model\Slider\Source\FeaturedProducts does not exist

I have downloaded Product slider but it is not working properly so i remove it today. I have upgrade my magento 2 setup.

2 Answers 2

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The extension you added most probably added a product attribute.
Look in the eav_attribute table for records

WHERE `source_model` LIKE '%Mageplaza%' OR 
      `backend_model` LIKE '%Mageplaza%' OR 
      `frontend_model` LIKE '%Mageplaza%'

and delete the rows you find.

Backup the db before just in case I'm wrong.

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  • 1
    Thank you @Marius. After removing entry from this table everything is fine Commented Sep 15, 2016 at 3:37
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This Solution was helpful. I also uninstalled the "Mageplaza\Productslider" extension and my product detail page stopped working in M2

Search for records in eav_attribute table and delete it

SELECT * FROM `eav_attribute` 
WHERE `source_model` LIKE '%Mageplaza%' 
OR `backend_model` LIKE '%Mageplaza%' 
OR `frontend_model` LIKE '%Mageplaza%'

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