Looks like someone borked your instance by trying to make email not required.
That form should look like:
![](https://forum.osticket.com/assets/files/2021-10-08/1633700351-155953-2021-10-08-09-39-02.png)
note: yours wouldn't have my custom fields of: Agency or Title.
So go to Admin panel -> Manage -> Forms -> Contact Information
![](https://forum.osticket.com/assets/files/2021-10-08/1633700496-351150-2021-10-08-09-41-22.png)
note: again yours wouldn't have my custom fields of: Agency or Title.
What does your Contact Information form look like?