ECONFLICT Unable to find suitable version for angular
<p>These are my dependencies in the file <code>bower.json</code>. Most of them are related to AngularJS.</p>

<pre><code>"dependencies": {
  "angular": "~1.3.0",
  "jquery": "~2.1.1",
  "requirejs": "~2.1.15",
  "angular-resource": "~1.3.0",
  "requirejs-domready": "~2.0.1",
  "requirejs-plugins": "~1.0.3",
  "bootstrap-sass-official": "~3.3.0",
  "requirejs-text": "~2.0.12",
  "bourbon": "~4.0.2",
  "jQuery-Tag-This": "~1.1.0",
  "angular-masonry": "~0.9.1",
  "intl-tel-input": "~3.7.1",
  "ngInfiniteScroll": "~1.2.0",
  "moment-jalaali": "~0.3.3",
  "owl.carousel": "*",
  "persian-datepicker": "~0.3.6",
  "persian-date": "~0.1.8",
  "angular-ui-router": "~0.2.14",
  "angular-cookies": "~1.3.15"
}
</code></pre>

<p>When I run <code>bower install</code>, it gives me this output with the error <code>ECONFLICT Unable to find suitable version for angular</code>:</p>

<pre><code>bower doc-ready#1.0.x                   validate 1.0.4 against git://github.com/desandro/doc-ready.git#1.0.x
bower get-style-property#~1.0.4           cached git://github.com/desandro/get-style-property.git#1.0.4
bower get-style-property#~1.0.4         validate 1.0.4 against git://github.com/desandro/get-style-property.git#~1.0.4
bower matches-selector#~1.0.2             cached git://github.com/desandro/matches-selector.git#1.0.3
bower matches-selector#~1.0.2           validate 1.0.3 against git://github.com/desandro/matches-selector.git#~1.0.2
bower fizzy-ui-utils#~1.0.1               cached git://github.com/metafizzy/fizzy-ui-utils.git#1.0.1
bower fizzy-ui-utils#~1.0.1             validate 1.0.1 against git://github.com/metafizzy/fizzy-ui-utils.git#~1.0.1
bower get-style-property#1.x              cached git://github.com/desandro/get-style-property.git#1.0.4
bower get-style-property#1.x            validate 1.0.4 against git://github.com/desandro/get-style-property.git#1.x
bower angular#~1.3.0                      cached git://github.com/angular/bower-angular.git#1.3.20
bower angular#~1.3.0                    validate 1.3.20 against git://github.com/angular/bower-angular.git#~1.3.0
bower angular#^1.3.0                      cached git://github.com/angular/bower-angular.git#1.5.0
bower angular#^1.3.0                    validate 1.5.0 against git://github.com/angular/bower-angular.git#^1.3.0
bower angular#&gt;= 1.0.8                    cached git://github.com/angular/bower-angular.git#1.5.0
bower angular#&gt;= 1.0.8                  validate 1.5.0 against git://github.com/angular/bower-angular.git#&gt;= 1.0.8
bower angular#&gt;=1.2.0                     cached git://github.com/angular/bower-angular.git#1.5.0
bower angular#&gt;=1.2.0                   validate 1.5.0 against git://github.com/angular/bower-angular.git#&gt;=1.2.0
bower                                  ECONFLICT Unable to find suitable version for angular
</code></pre>

<p>Could you tell me why it gives me this <code>ECONFLICT</code> error?</p>