Magento 2.4.1 - how can I to downgrade to Composer 1?

[miketoulsec67a]

Hello Everyone !

Hope someone can help me out.

I am new to Magento. I have Magento 2.4.1 installed.

Apparently, my website is using Composer 2, when it should be using 1 in order to install modules.

I tried to install a couple of modules and came across some sort of a warning note...

------

"plugin was skipped because it requires a Plugin API version ("1.0") that does not match your Composer installation ("2.1.0"). You may need to run composer update with the "--no-plugins" option."

-----

The plugin developer replied saying that I should use Composer 1 instead.

How can I downgrade or install COMPOSER version 1 ?... can both work at the same time perhaps ?...  

I read that someone shared the following, but dont know if this actually would work :

$ curl https://getcomposer.org/composer-1.phar > composer1.phar
$ php composer1.phar require <dependency>

Any help on how to solve this, is greatly appreciated !

mt

[arjunkumar9fce · Accepted solution]

To downgrade the composer version you can run this command...

composer self-update version_number

For Example:

composer self-update 1.0.0

[achalsaxen5d55]

You can downgrade the composer version by using the below mention command

 ->sudo composer self-update --<version>
For Example if you want to degrade the composer to version 1,then you can use

sudo composer self-update --1