After clicking on the plus icon nothing is happening ...

 

NO i dont have head.html

   

Now building this project i am getting the another error  

yes it got resolved guys, thanks all

I am using this AEM version 

 The command which i used is :mvn -B archetype:generate -D archetypeGroupId=com.adobe.aem -D archetypeArtifactId=aem-project-archetype -D archetypeVersion=26 -D appTitle="My Project" -D appId="aempanda" -D groupId="com.aempanda.aem" -D artifactId="myproject-aem-panda" -D version="0.0.1-SNAPSHOT" -D ...