This article applies to Microsoft Dynamics AX for all regions.
When you print Sales or Purchase related reports in Microsoft Dynamics AX 2012, you receive the following error message:
An item with the same key has already been added.When this problem occurs, you cannot print the affected reports until the reports are redeployed and the Reporting Services service restarts.
Hotfix informationA supported hotfix is available from Microsoft. There is a "Hotfix download available" section at the top of this Knowledge Base article. If you are encountering an issue downloading, installing this hotfix, or have other technical support questions, contact your partner or, if enrolled in a support plan directly with Microsoft, you can contact technical support for Microsoft Dynamics and create a new support request. To do this, visit the following Microsoft website:
Installation informationIf you have customizations for one or more of the methods or the tables that are affected by this hotfix, you must apply these changes in a test environment before you apply the hotfix in a production environment.
For more information about how to install this hotfix, click the following article number to view the article in the Microsoft Knowledge Base:
893082 How to install a Microsoft Dynamics AX hotfix
PrerequisitesYou must have Microsoft Dynamics AX 2012 installed to apply this hotfix.
Restart requirementYou must restart the Application Object Server (AOS) service after you apply the hotfix.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 2819634 - Last Review: Feb 17, 2017 - Revision: 3
Microsoft Dynamics AX 2012, Microsoft Dynamics AX Application Object Server