How to fix invalid composer.json?

Question

Composer

composer validate gives
No license specified, it is recommended to do so. For closed-source software you may use "proprietary" as license.
require.yiisoft/yii2 : unbound version constraints (*) should be avoided
require.yiisoft/yii2-bootstrap : unbound version constraints (*) should be
avoided
.kartik-v/yii2-helpers : unbound version constraints (*) should be avoided
require.kartik-v/yii2-tabs-x : unbound version constraints (*) should be avoided
require.kartik-v/yii2-icons : unbound version (*) should be avoided
require.kartik-v/yii2-grid : unbound version constraints (*) should be avoided
require.kartik-v/ yii2
- mpdf : unbound version constraints (*) should be avoided : unbound version constraints (*) should be avoided
require.kartik-v/yii2-widget-datepicker : unbound version constraints (*) should be avoided
require.yiisoft/yii2-imagine : unbound version constraints (*) should be avoided
require. bower-asset/jquery-file-upload : unbound version constraints (*) should be avoided
require.yiidoc/yii2-redactor : unbound version constraints (*) should be avoided
require.oro/jsplumb : unbound version constraints (*) should be avoided
require.e96/yii2-mailgun-mailer : unbound version constraints (*) should be avoided
require.kartik-v/yii2-editable : unbound version constraints (*) should be avoided
require.kartik-v/yii2-widget-typeahead : unbound version constraints (*) should be avoided
require.bower-asset/nanoscroller : unbound version constraints (*) should be avoided
require.bower-asset/moment : unbound version constraints (*) should be avoided
require.kartik-v/yii2 -widgets : unbound version constraints (*) should be avoided
require.lordmx/yii2-admin : unbound version constraints (master) should be avoided
require.xj/yii2-bootbox-widget : unbound version constraints (*) should be avoided
require.bower-asset/handlebars : unbound version constraints (*) should be
avoided
avoided
Does this need to be fixed and can it be done automatically?