Problem: I cannot see the "Add Repeatable Group" button in my custom field editor screen.
Solution: Use the Post Relationship migration tool in Toolset > Relationships to migrate to the new relationships system.
This is the technical support forum for Toolset - a suite of plugins for developing WordPress sites without writing PHP.
Everyone can read this forum, but only Toolset clients can post in it. Toolset support works 6 days per week, 19 hours per day.