admin console error on setting page

Hi there,

after a migration from another hosting provider I can’t get to use SG Optimizer. In the settings page i keep getting this message in the console and all switcher are unable to work:

optimizer.bundle.js?ver=5.5.0:38 Uncaught (in promise) TypeError: Cannot read property 'locationBeforeTransitions' of undefined
    at h (optimizer.bundle.js?ver=5.5.0:38)
    at m (optimizer.bundle.js?ver=5.5.0:38)
    at m (optimizer.bundle.js?ver=5.5.0:14)
    at Object.dispatch (optimizer.bundle.js?ver=5.5.0:55)
    at Object.d [as rehydrate] (optimizer.bundle.js?ver=5.5.0:55)
    at _ (optimizer.bundle.js?ver=5.5.0:14)
    at optimizer.bundle.js?ver=5.5.0:14

the message refer to the 5.5.0 version because after noticing this problem the first time I tried to download older versions of the plugin trying to get the last working version, but with no luck down to 5.5.0.