Consider the following scenario:
You enable PerformancePoint Services in Microsoft SharePoint Server 2010.
You create two Key Performance Indicators (KPIs), which are configured to use different data sources in a site collection.
You select the decomposition tree for the first KPI, and the decomposition tree is displayed.
You select the decomposition tree for the second KPI.
In this scenario, the decomposition tree for the second KPI is not displayed. Additionally, you receive the following error message:
An exception occurred while analyzing a cell in the Decomposition Tree. See the application event log for details.
To resolve this issue, apply the following update:
2598025 Description of the PerformancePoint Services for SharePoint Server 2010 hotfix package (Ppsmawfe-x-none.msp, Ppsmamui-xx-xx.msp): February 28, 2012
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.