I:\PhpstormProjects\home>composer require zt/qqwry
Using version ^1.0 for zt/qqwry
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Nothing to install or update
Generating autoload files
Installation failed, reverting ./composer.json to its original content.
[InvalidArgumentException]
psr-4 namespaces must end with a namespace separator, 'empty' does not, use 'empty'.
require [--dev] [--prefer-source] [--prefer-dist] [--no-progress] [--no-update] [--no-scripts] [--update-no-dev] [--update-with-dependencies] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--] []...
I:\PhpstormProjects\home>composer require zt/qqwry
Using version ^1.0 for zt/qqwry
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Nothing to install or update
Generating autoload files
Installation failed, reverting ./composer.json to its original content.
[InvalidArgumentException]
psr-4 namespaces must end with a namespace separator, 'empty' does not, use 'empty'.
require [--dev] [--prefer-source] [--prefer-dist] [--no-progress] [--no-update] [--no-scripts] [--update-no-dev] [--update-with-dependencies] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--] []...