To edit Item Group Privacy Settings, navigate to:
- onMessage > Approval > Event Registration
- Click 'Edit' to the right of the Event Registration that is not displaying Payment
- Click on 'Registration Items'
- Click 'Edit Group'
- Select the Radio Button for 'Public' or 'Private/Secure' (this should match the the same option in the 'Security' link for the Event Registration overall)
- Click 'Save & Exit'
If this does not fit your circumstances, please see another possibility here:
How did a user go through a 'limited attendance' Event Registration without paying?