Try clearing composer cache, dump-autoload. May have to delete lock file
and run run update and or composer global update. You shouldn't have to
downgrade its not a fatal..dealt with this issue several times it can be
a pain
Wow that sounds really complicated. Without knowing anything really
about your setup, have you considered using cookies and encrypting them?
I am not that familiar with track data but did see that it is not
available with acceptjs as you already disc...
