title: Netbeans Run project button disabled
body: <p>I have been working on a project, everything was going smoothly and project has no errors. Last saved project was ok and running smoothly but when I opened same project after 2 days the run project button is disabled, no options are available/enable to run my project.</p>
  <p><img src="https://i.stack.imgur.com/LDRg8.png" alt="enter image description here" /></p>
  <p>in above picture rectangle area in red color where options are disabled.
  I dont know what should i do, I tried to copy same project and pasted in other location and opened from netbeans.. but still same problem.. How to run this project.. please any one help me out.. thanks</p>