It should be possible to validate all existing ER reports in one interaction.
When installating new versions of solutions (FnO or third party ISV), existing reports can become invalid.
(linked to https://experience.dynamics.com/ideas/idea/?ideaid=16487c7a-0dc6-ec11-bea1-0003ff459fd0)
Currently, all existing reports need to be validated manually one by one.
This is painful when the amount of reports is considerable.