https://www.pointofsalesoftwaremn.com/wp-content/uploads/Aloha-POSv12.3-Data-Security-Implementation-Guide.pdf Contains debugging information for the Aloha BOH system, and related .dll files, and other related Aloha BOH functions not stored in other debout files. https://www.scribd.com/doc/54812290/Aloha-Troubleshooting-and-Support Go to that site and follow the trouble shooting guide. I think that you'll find that the pallet load of dollahs that you are trying to use are counterfeits. The recent software upgrade is rejecting your fake notes. Oh and your credit cards have been cancelled as well.