{

"name": "vendor/module",
"description": "Magento 2 Shipping Rates",
"type": "magento2-module",
"version": "1.0.0",
"license": [
"OSL-3.0",
"AFL-3.0"
],
"require": {},
"authors": [
{
  "name": "ABC",
  "email": "abc@mail.com",
  "homepage": "abc.com",
  "role": "Owner"
}
],
"autoload": {
"files": [ "registration.php" ],
"psr-4": {
  "Vendor\Module\": ""
}
},
"minimum-stability": "dev",
"prefer-stable": true
}

./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - The requested package vendor/module * is satisfiable by vendor/module[dev-master] but these conflict with your requirements or minimum-stability.


Installation failed, reverting ./composer.json to its original content.