It doesn't add any other treatments, after tried to add one which already exists

[vrlk]

Steps

1. Add a service
2. Add a treatment: "Exterior Steam n Shampoo Wash"
3. Now try to add the same by typing in the text box.
4. It won't add, as there's already "Exterior Steam n Shampoo Wash" added.
5. Now try to add other treatments with different names.

Actual Result

It doesn't add any other treatments. It misbehaves on reopening this service, once saved.

Expected Result

It should add