When creating a Dynamic Search Campaign that is based on a feed, you may run into this Validation Error:
'Param 1 is not set/param 2 is not set'
The reason for this error:
You are using the dynamic parameter in your ad copy. You have chosen to write in the parameter rather than including it automatically but have not set the parameter field in the
Go in to the campaign builder and make sure to chose your field for the dynamic parameters. Remember you can chose any field that you want as long as the field is numeric. It can be price, discount or even date.