Sometimes click on a tab doesn't anything

Hi all,

I have a form with 5 tabs, usually everything works fine: you click on a tab and you see the tab content. But sometimes, I click on the last tab (always the rightmost one) but nothing happens and I can’t see the tab content. I receive no errors, I don’t see anything in log.

This error occurs randomly, so I don’t know how to debug this and find a soluction.

Any ideas?