This article describes the issue that is fixed in the Microsoft SharePoint Server 2010 hotfix package that is dated October 30, 2012.
Consider the following scenario:
You create a form template in Microsoft InfoPath 2010.
You insert a repeating section in the form template.
You add a multiple-selection list control to the repeating section.
You publish the form template to a SharePoint Server 2010 server.
You try to open the form template by using a browser.
In this scenario, you cannot open the form template by using the browser, and you receive the following error message:
An unexpected error has occurred.
Troubleshoot issues with Microsoft SharePoint Foundation.
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
Before you apply the hotfix package that is described in this article, apply update 2596998. Additionally, clear the cache in Windows Internet Explorer.
Note For more information about update 2596998, click the following article number to view the article in the Microsoft Knowledge Base:
2596998 Description of the SharePoint Foundation 2010 hotfix package (Sts-x-none.msp): December 13, 2011
You do not have to restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
You do not have to make any changes to the registry.
This hotfix package may not contain all the files that you must have to fully update a product to the latest build. This hotfix package contains only the files that you must have to resolve the issue that listed in this article.
The global version of this hotfix package uses a Microsoft Windows Installer package to install the hotfix package. The dates and the times for these files are listed in Coordinated Universal Time (UTC) in the following table. When you view the file information, the date is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.