Need quick help!

[JavaVaadin (JavaVaadin Vaadinjava)]

Browser refused to debug this tab.

Close Chrome Developer Tools (or any other browser debugger) and try again.

How to solve it?

[ollit.1 (Olli Tietäväinen)]

https://netbeans.org/bugzilla/show_bug.cgi?id=233496

Looks like a NetBeans issue. See