A quick post today in the category. You may be getting the following exception when trying to run Summary report on your CampaignCommon Errors
Object reference not set to an instance of an object.
*Description: *An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. *Exception Details: *System.NullReferenceException: Object reference not set to an instance of an object.
[NullReferenceException: Object reference not set to an instance of an object.] Stimulsoft.Report.StiReport.GetReferencedAssemblies() +1179 ... * * *
To resolve this, you need a reference to Sitecore.Oracle.dll within the source of Campaign Summary report.
Open the following file: \sitecore\shell\Applications\Analytics\Reports\Campaigns\Summary.mrt
Add the following to the _<ReferencedAssemblies /> _section: