Need help on java 8 to java 11 with modules

Hi all,
I need a java expert who is experienced in java 11 and modules.
I have a project with java 8 auto-modules.
The project compile fine when I use maven. But when I import it to eclipse I have a lot of errors :
The type xx.yyy.package.ClassName is not accessible for classes exported correctly in java 11 module.

Please say "I read carefully your problem description"

This job is hourly based project of 2-3 days. I will send more project detail to whom can justify a good experience with java 11 modules.