Good day, everyone, I am Zackrobert If you are experiencing QuickBooks Error 6129 0 , you don't have to be concerned. I'll assist you in resolving this mistake on your own. Please contact me if you have any other issues that have not been fixed. I'm a member of the QuickBooks Enterprise support team, and I provide step-by-step instructions on how to resolve QuickBooks issues. At all times, I am immediately accessible by live chat or email.