Squared.io will penalise where language targeting is applied to some activity and not others.
For example, if some campaigns are targeting the UK, and the others are targeting the UK and English, this would trigger the penalty as there is a lack of consistency in the application of language targeting.
In the case of countries like Switzerland, where multiple languages may be targeted, you will not be penalised if all activity has at least one language applied or none of it has; however you will be penalised if campaigns have a mixture of active language targeting.
The following set ups won't be penalised:

The following set up will be penalised:
