after uploading my marketplace-module in
app/code
i've run the command as
php bin/magento module:status
but it gave me the following error as shown in image :

i checked the file permission of magento in
bin/magento it is set to 0755 after that i tried to change the permission to 0777 but no chnage im still getting this error
could not open the file bin/magento
can anoyone tell me what is going wrong from my side? thanks in advance.
composer require mydoule:moduleVersionbut that further gave me the following errorYour requirements could not be resolved to an installable set of packages. Problem 1 - The requested package medma/module-marketplace could not be found in any version, there may be a typo in the package name. Potential causes: - A typo in the package name - The package is not available in a stable-enough version according to your minimum-stability setting and more