Problem:

After installing the plugin (version 1.0.4) its not possible to view the checkout page and on the backend the plugin options page is empty

1 exception(s):

Exception #0 (InvalidArgumentException): Unable to unserialize value. Error: Syntax error


Exception #0 (InvalidArgumentException): Unable to unserialize value. Error: Syntax error

#1 Bss\MinMaxQtyOrderPerCate\Helper\Data->getConfigQty() called at [app/code/Bss/MinMaxQtyOrderPerCate/Helper/Data.php:114]

#2 Bss\MinMaxQtyOrderPerCate\Helper\Data->getMinQty() called at [app/code/Bss/MinMaxQtyOrderPerCate/Helper/Data.php:174]

#3 Bss\MinMaxQtyOrderPerCate\Helper\Data->OrderQty() called at [app/code/Bss/MinMaxQtyOrderPerCate/Observer/MinMaxQty.php:107]

#4 Bss\MinMaxQtyOrderPerCate\Observer\MinMaxQty->checkQty() called at [app/code/Bss/MinMaxQtyOrderPerCate/Observer/MinMaxQty.php:93]

#5 Bss\MinMaxQtyOrderPerCate\Observer\MinMaxQty->execute() called at [vendor/magento/framework/Event/Invoker/InvokerDefault.php:72]

#6 Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod() called at [vendor/magento/framework/Event/Invoker/InvokerDefault.php:60]

#7 Magento\Framework\Event\Invoker\InvokerDefault->dispatch() called at [vendor/magento/framework/Event/Manager.php:66]

#8 Magento\Framework\Event\Manager->dispatch() called at [generated/code/Magento/Framework/Event/Manager/Proxy.php:95]

#9 Magento\Framework\Event\Manager\Proxy->dispatch() called at [vendor/magento/framework/App/Action/Action.php:101]

#10 Magento\Framework\App\Action\Action->dispatch() called at [vendor/magento/framework/Interception/Interceptor.php:58]

#11 Magento\Checkout\Controller\Cart\Index\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]

#12 Magento\Checkout\Controller\Cart\Index\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]

#13 Magento\Checkout\Controller\Cart\Index\Interceptor->___callPlugins() called at [generated/code/Magento/Checkout/Controller/Cart/Index/Interceptor.php:39]

#14 Magento\Checkout\Controller\Cart\Index\Interceptor->dispatch() called at [vendor/magento/framework/App/FrontController.php:159]

#15 Magento\Framework\App\FrontController->processRequest() called at [vendor/magento/framework/App/FrontController.php:99]

#16 Magento\Framework\App\FrontController->dispatch() called at [vendor/magento/framework/Interception/Interceptor.php:58]

#17 Magento\Framework\App\FrontController\Interceptor->___callParent() called at [vendor/magento/framework/Interception/Interceptor.php:138]

#18 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/module-store/App/FrontController/Plugin/RequestPreprocessor.php:94]

#19 Magento\Store\App\FrontController\Plugin\RequestPreprocessor->aroundDispatch() called at [vendor/magento/framework/Interception/Interceptor.php:135]

#20 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/module-page-cache/Model/App/FrontController/BuiltinPlugin.php:73]

#21 Magento\PageCache\Model\App\FrontController\BuiltinPlugin->aroundDispatch() called at [vendor/magento/framework/Interception/Interceptor.php:135]

#22 Magento\Framework\App\FrontController\Interceptor->Magento\Framework\Interception\{closure}() called at [vendor/magento/framework/Interception/Interceptor.php:153]

#23 Magento\Framework\App\FrontController\Interceptor->___callPlugins() called at [generated/code/Magento/Framework/App/FrontController/Interceptor.php:26]

#24 Magento\Framework\App\FrontController\Interceptor->dispatch() called at [vendor/magento/framework/App/Http.php:136]

#25 Magento\Framework\App\Http->launch() called at [generated/code/Magento/Framework/App/Http/Interceptor.php:24]

#26 Magento\Framework\App\Http\Interceptor->launch() called at [vendor/magento/framework/App/Bootstrap.php:258]

#27 Magento\Framework\App\Bootstrap->run() called at [pub/index.php:40]


Solution:

Please fix these two files: 

app/code/Bss/MinMaxQtyOrderPerCate/Helper/data(8).php

app/code/Bss/MinMaxQtyOrderPerCate/Model/Config/Backend/Serialized/minmax.php