Can I have BOM without Routing

Not allow to disable mandatory check box in the customize form.

this one wont allow to disable mandatory

so I have to write my own code or there is any alternate option?

you can go in developer mode and disable it without even needing to write any

how to disable this, have no idea…
can u provide me the steps…

Go to customize in BOM. The option to make it not mandatory is there. Try accessing as super user