Last july, We have upgraded matomo from 3.2.1 to 3.9.1 .
Before, we could display reports, by Page titles an by Pages, in herarchical view
Now, it seems it’s no more possible to display by page titles in hierarchical view !
No sign + in front of each lign to expand it, and no ability to change option ‘The report is flat, make it hierarcchical (default)’ (not displayed)
It works for reports by Pages !
Is it a new usage ? A bug ? Or I missed a parameter in config file or other ?
Thanks for your help