This AVETMISS error is a Victoria specific error. In TEAMS, currently there is no field on the front end where you can specify software vendors email address. This Software vendor E-mail address goes into NAT00010 file.
If this error appears, you need to contact our support team via phone on 1300 85 05 85 or you can send us the email onsupport@rtosoftware.com.au so that your issue can be fixed.