Error: Element ChargeableGains in namespace has incomplete content in Corporation Tax

Scenario

You may get the following error message when you use Corporation Tax.
Error message
The element ChargeableGains in namespace http://www.govtalk.gov.uk/taxation/CT/5 has incomplete content.

Solution

  1. Select
    Accounts
    .
  2. Select
    Income/(Deficit) Not Assessed as Trading Income
    .
  3. Select
    Chargeable gains
    .
  4. Change
    0
    to
    Auto
    .