When creating a Dynamic Search Campaign that is based on a feed, you may run into a map Error:
You can lick on the link in the error to get more information on the exact error. However, application errors happen for thing to do with adCore. In other words, it's not something you did and you will not be able to fix it yourself.
The adCore team regularly monitors these errors and fix them whenever they come up. If run in to such an error you can contact the adCore team HERE.