DIDs Delete API - Validation message not applied on product id parameter and internal server error display

Steps :

1. Login as Admin
2. Go to Inbound > DIDs > DIDs Delete API
3. Now enter valid input for all parameters and for product_id enter invalid input like 'ahvndjh' and run the api
4. Now check response

Expected result : Validation message should be required for product_id parameter for invalid input.

Actual result : Due to invalid input ( 'ahvndjh' ) and validation message not applied 500 internal server error message is display.