Dashboard advanced permissions after upgrade

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I have recently upgraded from 5.4.2.2 to 5.5.2.1 Upon logging in as admin everything is fine, however, I had custom permissions on the dashboard pages and if a normal user logs in there is no dashboard access. It seems that the dashboard pages have lost their permission settings. How can I get those settings back?

 
Ekko replied on at Permalink Reply 1 Attachment
Ekko
Go to your sitemap, and on the right hand side there is a button marked options. Clicking this button will reveal an option to "show system pages" click this, and the dashboard pages will become available in sitemap. Click the dashboard pages, and set permissions.

Screenshot attached