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Exception in admin panel after copying Magento project from one directory to other.

Exception in admin panel after copying Magento project from one directory to other.

1 exception(s):
Exception #0 (InvalidArgumentException): Unable to unserialize value.

Exception #0 (InvalidArgumentException): Unable to unserialize value.
#0 D:\Projects\xampp\htdocs\test2\app\code\Magento\User\Model\ResourceModel\User.php(244): Magento\Framework\Serialize\Serializer\Json->unserialize('')
#1 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\Model\ResourceModel\Db\AbstractDb.php(356): Magento\User\Model\ResourceModel\User->_afterLoad(Object(Magento\User\Model\User\Interceptor))
#2 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\Model\AbstractModel.php(536): Magento\Framework\Model\ResourceModel\Db\AbstractDb->load(Object(Magento\User\Model\User\Interceptor), '1', 'user_id')
#3 D:\Projects\xampp\htdocs\test2\generated\code\Magento\User\Model\User\Interceptor.php(765): Magento\Framework\Model\AbstractModel->load('1', NULL)
#4 D:\Projects\xampp\htdocs\test2\app\code\Magento\User\Model\User.php(618): Magento\User\Model\User\Interceptor->load('1')
#5 D:\Projects\xampp\htdocs\test2\generated\code\Magento\User\Model\User\Interceptor.php(232): Magento\User\Model\User->reload()
#6 D:\Projects\xampp\htdocs\test2\app\code\Magento\Backend\App\Action\Plugin\Authentication.php(122): Magento\User\Model\User\Interceptor->reload()
#7 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\Interception\Interceptor.php(135): Magento\Backend\App\Action\Plugin\Authentication->aroundDispatch(Object(Magento\Backend\Controller\Adminhtml\Dashboard\Index\Interceptor), Object(Closure), Object(Magento\Framework\App\Request\Http))
#8 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\Interception\Interceptor.php(153): Magento\Backend\Controller\Adminhtml\Dashboard\Index\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))
#9 D:\Projects\xampp\htdocs\test2\generated\code\Magento\Backend\Controller\Adminhtml\Dashboard\Index\Interceptor.php(39): Magento\Backend\Controller\Adminhtml\Dashboard\Index\Interceptor->___callPlugins('dispatch', Array, NULL)
#10 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\App\FrontController.php(55): Magento\Backend\Controller\Adminhtml\Dashboard\Index\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))
#11 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\Interception\Interceptor.php(58): Magento\Framework\App\FrontController->dispatch(Object(Magento\Framework\App\Request\Http))
#12 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\Interception\Interceptor.php(138): Magento\Framework\App\FrontController\Interceptor->___callParent('dispatch', Array)
#13 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\Interception\Interceptor.php(153): Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))
#14 D:\Projects\xampp\htdocs\test2\generated\code\Magento\Framework\App\FrontController\Interceptor.php(26): Magento\Framework\App\FrontController\Interceptor->___callPlugins('dispatch', Array, Array)
#15 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\App\Http.php(135): Magento\Framework\App\FrontController\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))
#16 D:\Projects\xampp\htdocs\test2\generated\code\Magento\Framework\App\Http\Interceptor.php(24): Magento\Framework\App\Http->launch()
#17 D:\Projects\xampp\htdocs\test2\lib\internal\Magento\Framework\App\Bootstrap.php(256): Magento\Framework\App\Http\Interceptor->launch()
#18 D:\Projects\xampp\htdocs\test2\index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http\Interceptor))
#19 {main}
1 REPLY

Re: Exception in admin panel after copying Magento project from one directory to other.

Hello @Shikha710

 

seems like you upgrade magento 2 and some data into serilize form and magento 2 latest version json decode so that issue come

 

try below solution for same

 

The problem is in /vendor/magento/framework/Serialize/Serializer/Json.php

and I used the solution in below link. Changing a code in json.php

It working fine for now.

https://magento.stackexchange.com/questions/194010/magento-2-2-unable-to-unserialize-value

 

if works then mark as solution