Go to Activities then Current
In the Search enter the Activity Name ie Community Skills & Wellbeing Fair
Then select Edit
In the Details tab select Edit in the Publishing
Select on Publishing Status > Private and Linkable in Casework
Go to the Settings tab, check that the Ticket Package and Sessions are the same - IMPORTANT
Ticket package 1
Session is 1 (remember if there are 2 sessions make the above ticket package 2)
In the Ticket Package, Add Ticket
The Ticket Type should be set to Free
The Ticket Name should be Free, set as default. Then select Add
Go to Book clients into DEX activity