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I just installed the latest magento 2 (Magento-CE-2.3.2) and imported a database from another working magento 2 store with Magento 2.3.1.

But if I try to load a product in the frontend, then I get a 500 error and the message

[Wed Jul 17 10:34:29.291844 2019] [php7:error] [pid 10517] [client 192.168.40.161:59517] PHP Fatal error: Uncaught Error: Cannot instantiate interface Magento\InventoryReservationsApi\Model\GetReservationsQuantityInterface in /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php:50\nStack trace:\n#0 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Invento...')\n#1 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(160): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Invento...')\n#2 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(246): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument(Array, 'Magento\\Invento...', NULL, 'getReservations...', 'Magento\\Invento...')\n#3 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArguments in /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php on line 50, referer: http://entwicklung.hausfux.m2/produkte/insektenschutz/fenster/spannrahmen.html

What am I supposed to do? Im new to magento 2.

Update:

I followed the instructions from Muhammad Hasham's answer and also executed bin/magento setup:upgrade, now I get another error.

[Wed Jul 17 11:29:03.970607 2019] [php7:error] [pid 10608] [client 192.168.40.161:63754] PHP Fatal error: Uncaught ReflectionException: Class Magento\Framework\App\ResourceConnection\Proxy does not exist in /srv/www/vhosts/hausfux_m2/vendor/magento/framework/Code/Reader/ClassReader.php:19\nStack trace:\n#0 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/Code/Reader/ClassReader.php(19): ReflectionClass->__construct('Magento\\Framewo...')\n#1 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/Definition/Runtime.php(49): Magento\Framework\Code\Reader\ClassReader->getConstructor('Magento\\Framewo...')\n#2 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(48): Magento\Framework\ObjectManager\Definition\Runtime->getParameters('Magento\\Framewo...')\n#3 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...')\n#4 /srv/www/vhosts/hausfux_m2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(160): Magento\Framework\ObjectManager\ in /srv/www/vhosts/hausfux_m2/vendor/magento/framework/Code/Reader/ClassReader.php on line 19, referer: http://entwicklung.hausfux.m2/produkte/insektenschutz/fenster/spannrahmen.html

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2
  • Try to run composer upgrade command first.
    – Jimit Bhavsar
    Commented Jul 17, 2019 at 9:01
  • I just tried it, makes no difference. I also cleared cache afterwards.
    – Black
    Commented Jul 17, 2019 at 9:02

2 Answers 2

Reset to default
6

If you use redis, run:

redis-cli flushall

or you'll need to run the following commands:

  • Clear generated
  • Clear var/cache
  • Enable Magento modules: php bin/magento module:enable --all
  • Compile DI php bin/magento setup:di:compile

I hope this will help

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9
  • I don't use redis, but the server where I have copied the database from uses redis.
    – Black
    Commented Jul 17, 2019 at 9:23
  • ok if you don't use redis, run the other commands which I mentioned in the answer
    – Muhammad Hasham
    Commented Jul 17, 2019 at 9:24
  • The folder var/generation does not exist, I cleared var/cache and executed the other two commands, now another error appeared. It says "update your database" so I executed bin/magento setup:upgrade but now I get another 500 error PHP Fatal error: Uncaught ReflectionException: Class Magento\\Framework\\App\\ResourceConnection\\Proxy does not exist
    – Black
    Commented Jul 17, 2019 at 9:29
  • Oh you have to run di:compile and static content deploy after setup:upgrade command. Again run these commands php -dmemory_limit=1G bin/magento setup:upgrade php -dmemory_limit=1G bin/magento setup:di:compile php -dmemory_limit=1G bin/magento setup:static-content:deploy -f php bin/magento cache:clean php bin/magento cache:flush
    – Muhammad Hasham
    Commented Jul 17, 2019 at 9:32
  • 1
    Glad it helped you. +1 on your question for appreciation. keep coding :) thanks :)
    – Muhammad Hasham
    Commented Jul 17, 2019 at 10:30
1

For me it was the case where a dependent module was disabled. I didn't have to enable all the modules

php bin/magento module:status

review the modules, and only enable what you think may be the cause

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