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[InvalidArgumentException] There are no commands defined in the "cache" namespace. enter image description here

I am using putty to run some commands. if I run php bin/magento setup:cache Is there any thing I missed during installation

  • which command you are trying ? – Pawan Oct 5 '18 at 1:46
  • Php bin/magento cache:flush – kiran Oct 5 '18 at 2:05
  • I uploaded all files on server then I run upgrade and cache flush commands using putty. it showing me above error. – kiran Oct 5 '18 at 2:07
  • once check with php bin/magento list, Is it showing all commands ? – Pawan Oct 5 '18 at 2:14
  • go through this link – Hitesh Oct 5 '18 at 4:29
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Please run below commands

rm -Rf var/cache/* generated/*

then

php -f bin/magento cache:flush

php bin/magento indexer:reindex
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First, make sure that the module.xml file is defined properly in the etc directory of your module.

Then, run these commands in the root directory

rm -rf var/di/* var/generation/* var/cache/* var/page_cache/* pub/static/*
php bim/magento cache:clean
php bim/magento cache:flush
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Solution 1:

The general main cause of this kind of error is missing etc/module.xml file in your module. Or, missing setup_version code inmodule.xml file.

Here is a sample module.xml file of a module named YourNamespace_YourModule.

app/code/YourNamespace/YourModule/etc/module.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--    
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Moddule/etc/module.xsd">
<module name="Namespace_Yourmodule" setup_version="1.5.0">

</module>

If you are not sure which module is creating this problem, you can try removing each module and check to find the problematic module.

Solution 2:

If solution 1 doesn’t help then you can try this second solution.

Give full control (read/write/execute) to var and pub directory solved this issue for me.

sudo chmod -R 777 var pub

You may also try running the following command:

sudo php -f bin/magento module:enable --clear-static-content YourNamespace_YourModule

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