It seems that v4 is not ready for our 2015 events due to beta and limited features that I used in v3 for free events and mobile app. How can I downgrade to v3 from v4 without a problem due to database, etc?
Unfortunately the EE4 database is not compatible with EE3. None of the EE4 data would be available within EE3 as each version uses its own set of tables.
In order to start using EE3 you would need to manually re-create any registrations/events you currently have within EE4 in EE3.
I would recommend creating a DB backup before just to be safe, but no, it shouldn’t cause issues with the database.
If you still have the Beta version of EE4.5 (from the PR channel) installed that version includes functionality to remove all EE4 tables from the Database. This is within Event Espresso -> Maintenance -> Reset/Delete Date (Tab)
When you activate EE3 go to Event Espresso -> General Settings.
Under Organisation settings hit save (you can setup this section later)
Then go to Dashboard -> Pages. Check those pages mentioned above have all been created.
Then go back to Event Espresso -> General Setting -> Page settings.
Confirm those pages above are selected within the relevant dropdowns in that section.
This should all work by default, but worth double checking.
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