Business Area in Contract(ES22) is blank on move-out cancellation though IC Web

Hi expert,

Need help in finding the root cause for the below scenario:

• During move-in through IC-Web, business area field is getting populated in ECC at contract level(ES22).
• Then we create a move-out, business area field still remains.
• But when we cancel the move-out, this business area field becomes blank.

Business Area Field name in ES22:

EVERD-GSBER

I tried putting RFC trace but not able to find any relevant program.

Please let me know if you have come across this type of issue or atleast give me some pointer?

Appreciate your help.

regards,

vicky