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Category: Magento 2

October 12, 2026blog, Magento 2

Changing Sku case results add to cart error Magento 2.4.9

So you just changed your product sku from 116a to 116A. When you go to the product page and click on add […]

November 21, 2025November 23, 2025blog, Magento 2

main.CRITICAL: InvalidArgumentException: Unable to unserialize value. Error: Syntax error in vendor/magento/framework/Serialize/Serializer/Json.php:45 Magento 2.4.8-p3 checkout error

You must be  getting the above error in the checkout in magento 2.4.8-p3. There is no time as to when this error […]

March 3, 2024blog, Magento 2

PHP Fatal error: Declaration of Magento\ComposerRootUpdatePlugin\Plugin\Commands\OverrideRequireCommand::execute

This error message usually comes when you try to update your magento version or install or update any extension if your composer […]

February 23, 2024Magento 2

Class “” Not Found when saving Elasticsearch settings

So when you update magento 2 then you might face this problem when you enter the Elasticsearch details. When you click on […]

February 23, 2024February 23, 2024Magento 2

Class “Zend\Mail\Message” not found

Upgraded to latest magento version 2.4.6-p3 and if you are getting this error then it might be related to your smtp extension […]

May 11, 2022Magento 2

Error ‘TypeError: $(…).filter(…).collapse is not a function’ (in admin/backend > dev-tools console)

So you upgraded your site to 2.4.4. Then you set your site to production mode. After you login to admin you will […]

May 9, 2022Magento 2

Magento 2.4.4 Admin not working after an Upgrade

Well i know how frustrating it is to see the same admin login page after you click on “Sign In” button and […]

April 8, 2021Magento 2

SQLSTATE[HY000] [2002] No such file or directory (Frontend)

Just fixed this issue that i was approached for. This relates to all magento 2 version below 2.4.0. Everything is working in […]

February 1, 2021Magento 2

upstream sent too big header while reading response header from upstream nginx

You might have experienced this when you have a Nginx server for Magento >=2.3.5 onwards. You have a very easy solution for […]

August 18, 2020Magento 2, Theme

Mega Menu Disappears When using Varnish Cache Magento 2

Once you have varnish cache in your server setup and configured one of the problems you might face if you use varnish […]

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