How can I add same extension point in multiple plugin project?

Question

I have three plugin projects which collectively constitute a feature for eclipse. And I have an another project which deals with licensing and other stuffs. I have created an extension point in the licensing plugin and successfully connected this to one of my project.But when I repeat the same procedure for second project it throws some error like

"Access restriction", "A cycle was detected in the build path of project".

Please help me guys, I am completely new to plugin development Thanks in advance.

Answer 1

Checkout When to use import package and require bundle