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Magento admin not showing any messages

I found the issue that is Store -> Config -> System -> Security -> Max Session Size in Admin if I make this 0 then started working. I am not sure that it will impact on website admin panel ...
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Magento2 interface not found in Model class

I will be working on a while on magento 2 v2.3.4. Suddenly my admin panel is not working and shows the below error. Please help Interface 'Magento\Ui\Component\Form\Element\DataType\DataTypeInterface' ...
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1 vote

Duplicate entry in DB after upgrading to 2.4.3

You can just use this script here https://takeoff.digital/2022/09/15/duplicate-primary-key-error-in-magento-2/ Please read the explanations in the above url if it doesn't make sense for you as this ...
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Syntax error or access violation: 1071 Specified key was too long when running setup:upgrade

The limit for UTF8 is 767/3 = 255 characters, for UTF8m see reference here With this in mind, I'd ensure that these title fields are less that 255 together. How about changing from varchar(300) to ...

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