Error Message:

yii2 module generator gii There was something wrong when generating the code. Please check the following messages.

Wrong operations

Generating code using template "/home/ssdd/app/etp.loc/app/vendor/yiisoft/yii2-gii/generators/module/default"...
generating modules/admin/Module.php
Unable to create the directory '/home/ssdd/app/etp.loc/app/frontend/modules/admin'.
generating modules/admin/controllers/DefaultController.php
Unable to create the directory '/home/ssdd/app/etp.loc/app/frontend/modules/admin/controllers'.
generating modules/admin/views/default/index.php
Unable to create the directory '/home/ssdd/app/etp.loc/app/frontend/modules/admin/views/default'.
done!