{

    "name": "RezaSR/yii2-Button-Dropdown-Sorter",

    "description": "Bootstrap ButtonDropdown to use as sorter in yii2",

    "keywords": ["yii2", "bootstrap", "dropdown", "sorter"],

    "type": "yii2-extension",

    "authors": [

        {

            "name": "Reza Saberi Rad",

            "email": "rsr_reza@yahoo.com"

        }

    ],

    "require": {

        "yiisoft/yii2": "*",

        "yiisoft/yii2-bootstrap": "*"

    },

    "autoload": {

    }

}

{

    "name": "reza-sr/yii2-button-dropdown-sorter",

    "description": "Bootstrap ButtonDropdown to use as sorter in yii2",

    "keywords": ["yii2", "bootstrap", "dropdown", "sorter"],

    "type": "yii2-extension",

    "authors": [

        {

            "name": "Reza Saberi Rad",

            "email": "rsr_reza@yahoo.com"

        }

    ],

    "require": {

        "yiisoft/yii2": "*",

        "yiisoft/yii2-bootstrap": "*"

    },

    "autoload": {

    }

}

Change package name to lower case
Change package name to lower case