Set field as mandatory in MIRO screen

There is 2 ways you can search to set the fields as mandatory in MIRO screen.

Firstly, you can try to set it follow the below screen:

Select the correct field status group and double click on it.

How to check which field status group that you wanted to check? Go to tcode FS00 and put in the GL account and check as below:

Change the field as mandatory or not from this place.

Or using 2nd way which you use tcode: OBA7 and based on FI document type to set it.

Let say I set reference field as mandatory as below:

See the result during MIRO time and you will see the reference field is already mandatory.