You've sent a Corporation Tax submission to HMRC and it's been rejected with the error:
Error
ResponseError: 1
RaisedBy: ChRIS
Number: 3312
Type: business
Test: Trading/non-trading indicator (UK-bus: Entity Trading) is missing.
Location: Accounts
This error is caused by a tag missing from your accounts.
To resolve this you'll need to select the appropriate trading status:
Please contact your software provider to raise the query.
When you contact them, be sure to mention that the rejection message clearly advises that the "Location" of the issue is "Accounts", which is the final line of the error message.