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enter image description here I am in php bin/magento setup:upgrade Something goes wrong，My Magento is a community edition with version number 2.1.13 Please help me thank you

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  • Do you have the class inside vendor/magento/framework/Serialize folder?
    – Dan Staver
    Commented Mar 1, 2022 at 2:49
  • My vendor/magento/framework/Serialize not this class
    – XINCHENG ZHAI
    Commented Mar 1, 2022 at 3:08
  • Without this class, what do I do
    – XINCHENG ZHAI
    Commented Mar 1, 2022 at 3:10
  • please run this command composer require laminas/laminas-serializer OR added below line in your composer.json file. "laminas/laminas-serializer": "^2.12",
    – Bhavesh Godhani
    Commented Mar 1, 2022 at 5:09

2 Answers 2

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You have serializer class missing please install it using these steps : composer require zendframework/zend-serializer --no-update composer update zendframework/zend-serializer

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composer dump-autoload

still facing issue then run

composer require symfony/serializer

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