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Magento 2: 1 exception(s): Exception #0 (ReflectionException)

I installed a Magento extension called Mageplaza Productslider using a manual method (copy files to app/code). This didn’t look to work, so I installed the extension using composer:

composer require mageplaza/magento-2-product-slider)
php bin/magento setup:upgrade
php bin/magento setup:static-content:deploy

I still couldn’t see the extension on any page so I decided to uninstall. To do this I deleted the Mageplaza folder from app/code and ran the following code to uninstall the Mageplaza extension and core:

php bin/magento module:disable <ExtensionProvider_ExtensionName> --clear-static-content

I now have the following error on my Magento 2 product pages on the frontend and when I try to edit products in the admin panel.

1 exception(s):
Exception #0 (ReflectionException): Class 
MageplazaProductsliderModelSliderSourceFeaturedProducts does not exist

Exception #0 (ReflectionException): Class 
MageplazaProductsliderModelSliderSourceFeaturedProducts does not exist

To see full error, please see (if links aren’t allowed please remove??):

https://www.canvaspro.com.au/horse-canvas.html

I have undertaken the following to attempt to fix the error:

rm -rf var/cache/* var/di/* var/generation/* var/page_cache/* var/view_preprocessed/* pub/static/frontend/* vendor

composer install

php bin/magento setup:di:compile

As I have deleted the var and vendor folders, how come after composer install Magento is still calling for these files under app/code?

Thanks

Tags:

2

Answers


  1. Chosen as BEST ANSWER
    0

    Thanks Dipesh, your advice helped but did not resolve the problem, for those with a similar issue please see how I fixed this.

    As I did not install this module using composer, trying to use composer to uninstall throws the following error:

    php bin/magento module:uninstall Mageplaza_Productslider Mageplaza_Productslider is not an installed composer package

    The module must be uninstalled manually, this involves editing the database, follow steps below:

    • Disable the module: php bin/magento module:disable Mageplaza_Productslider --clear-static-content
    • Note in this case, Mageplaza_Core also needs to be disabled and removed
    • Delete the Module folder from appcode
    • Open your database and browse to table setup_module, and delete Mageplaza_Productslider and Mageplaza_Core rows
    • Open database table eav_attribute. Mageplaza_Productslider was entered in here as a "featured product" and this was causing my error. Delete the row in this table.
    • php bin/magento setup:upgrade
    • php bin/magento cache:flush

    After the above, I also ran:

    • rm -rf var/cache/* var/di/* var/generation/* var/page_cache/* var/view_preprocessed/* pub/static/frontend/* vendor
    • composer install
    • php bin/magento setup:di:compile
    • I did not deploy static content as in developer mode, if you're not in developer mode then deploy static content: php bin/magento setup:static-content:deploy
    • Set file permissions:

    find var vendor pub/static pub/media app/etc -type f -exec chmod u+w {} ;

    find var vendor pub/static pub/media app/etc -type d -exec chmod u+w {} ;

    This worked for me... hope it can possibly help some others!


  2. 0

    Try this

    composer remove mageplaza/magento-2-product-slider

    php bin/magento cache:clean,
    php bin/magento setup:upgrade

    php bin/magento setup:static-content:deploy -f

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