https://www.tntware.com/donorwise/help/en/pages/donations-backposting.aspxDonorWise allows a batch to be posted in a closed period. Because this should be a very rare occurrence, DonorWise requires the closed period to be temporarily opened. Only one batch can posted to a closed period; to post another batch in that closedenCommunityServer 2008.5 SP2 (Debug Build: 40407.4157)