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The Start and End date of a Campaign Item need to be within the validity of the Ad Price in the selected Ad Spec. If they are outside the validity of the selected Ad Price, you will be shown a warning message that the date is invalid in the Media Configuration and, upon saving, a validation exception will occur.
To deactivate this validation please see 7.2.2.9 Feature Setting to disable Ad Price Validation.
Publication Dates
Print items, newsletters or other media might need a publication date. In that case click on the edit button under Selected Publication Dates and read more 4.3.9 Publication Dates here.
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