Grid with Application Link to Form, Adding into Form takes back to project view and open screen

I have a grid , grid_task_reassignment. This grid is linked to a Form form_task_reassignment. Both these are connected to the same underlying table.
The grid applilcation used Edit Link under application link to connect with the form.

In the form_task_reassignment, I have only a few fields shown for the user to interact with. The rest are not shown.
The user should select a row on the grid, then use add new to insert a new record in the Form.
The data from the Grid (for those fields which are not shown) are sent to the Form using Global Variables.
Now my issue is that form works in inserting the rcord as expected. But after the insert, it shows the project open screen of the scriptcase.
I am attaching the screen recording of the same here