Problems with dropdown menu

by damargon   Last Updated May 15, 2019 13:07 PM

I have a problem with Drupal 7's dropdown menu. I have two sites, one for production and one for testing. Both sites are more and less the same, but in production we have made some modules and core update. In the testing sites I've created the submenus and the main link and I checked the "Show as expanded" checkbox in menu configuration. This works fine creatint the dropdown menu without problems: enter image description here In the image you can see that it adds the classes dropdown, radix-dropdown-processed and dropdown-menu without problems.

But in production I do the same procedure and does not add those classes so the menu does not work fine and remains without dropdown effect. This is the code of the production site menu: enter image description here

What could be the problem? any ideas will be appreciated!

Thank you

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