How to change the default doctype to submitable

How can we set the default doctypes to submiitbles i cannot save it after i check the if submittable box

explain it more
with screenshot

You cannot make a default doctype submittable. For example, the supplier doctype is not a submittable doctype. If you want to make it submittable, you can alternatively manage it through a workflow.

Check it.

but you cannot save it

Hi, You are not in the developer mode, so you have to enable the developer mode via command. restart bench, check it.

i did it through database command

restart bench

or

stop bench and start bench.

problem solved…