• Sage 2018 - upgraded to 2019 and then downgraded back to 2018, now API won't work

    We have written a program for one of our clients using the Sage Peachtree API. Every time they upgrade versions, we always have to get the latest DLLs and rebuild our app to make it work again. However recently they say that they installed Sage 2019,…
  • SDK and Updating Employees

    FormerMember
    FormerMember
    When we hire new employees where I work, we have to create accounts in all kinds of different programs. Plus create windows accounts and email accounts. I wrote a Information Management Program that I have connectors to all our programs (all Microsoft…
  • Getting PeachTree API exception - Entity is read-only

    FormerMember
    FormerMember
    The company account is accessible through the desktop Sage 50 US Edition just fine. When we try to access through our app that uses Sage API to access it gives the following message. ANyone knows what the issue is? WIndows 2012 Server R2 Sage 50…
  • NullReferenceException when creating invoice line items

    Getting this error when I try and add lines to a new sales invoice: // Create invoice var invoice = Company.Factories.SalesInvoiceFactory.Create(); // Invoice #, Date, Customer ID invoice.CustomerReference = customer.Key; invoice.ReferenceNumber…
  • update onhand on MasterStockItem

    Hi, Is there any way to update the onhand qyt in a MasterStockItem from the SDK?
  • CriptographicException and System.InvalidOperationException

    I can hit all the sample databases and my private database locally; however, when deployed I get this exception: System.Security.Cryptography.CryptographicException","StackTrace": " at Sage.Peachtree.API.PeachtreeSession.VerifyOrRequestAccess(CompanyIdentifier…
  • Sage 50 2016 SDK - The type or namespace name 'Sage' could not be found (are you missing a using directive or an assembly reference?)

    Hi, I tried to connect to Sage 50 2016 but It is impossible, when I compile my code, I get this error: Error 4 The type or namespace name 'Sage' could not be found (are you missing a using directive or an assembly reference?) It is a little weird…
  • How do you keep from having to 'allow access' every time you run your app?

    I have an Application ID and I can start a new session and open our production company, but every time I (or anyone) runs this c# .net app it always says that I have to open Sage and allow access. I open Sage and select 'Always Allow' but we have to do…