I get an error 3251 in aldelo how do i fix it. Posted on December 6, 2016March 30, 2021 by Bulldog Tech This error refers to database corruption. Perform a backup first then Try using the compact database feature. Another option is to use the jet compact utility (advanced users) usually performed by a technician. Post navigationPrevious post: What does the error “ETM?” mean when I swipe a credit card?Next post: I have more then one location. I want to be able to issue and redeem gift cards between all of our locations. Whats the easiest way to set this up?