http://or-in.facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd.onion/business/help/652738434773716
If you reach your limit When you reach your ad, ad set or campaign limit, you can either delete an ad, ad set or campaign or create new campaigns for each of your marketing periods. When you delete these assets, we automatically archive them for you. Once these assets are archived, you can’t edit, duplicate or undelete them. You can have up to 100,000 archived ads or ad campaigns.