This article has been archived. It is offered "as is" and will no longer be updated.
Consider the following scenario in Microsoft Dynamics CRM 4.0:
You import a custom report that contains a dataset.
The dataset contains an Integer or a GUID that is used for a parameter in the report.
You go offline on a computer that is running the Microsoft Dynamics CRM offline client.
You synchronize the report offline.
You try to run this report.
In this scenario, you receive the following error message even though you have the Dev Errors option enabled:
An error has occurred.
Additionally, the Application log contains the following warning message:
Event code: 3005 Event message: An unhandled exception has occurred. Event time: 9/18/2008 4:04:46 PM Event time (UTC): 9/18/2008 9:04:46 PM Event ID: 041cf199e3944c2391316730a9b58712 Event sequence: 349 Event occurrence: 2 Event detail code: 0 Application information: Application domain: 39293079-1-128662449701947855 Trust level: Full Application Virtual Path: / Application Path: C:\Program Files\Microsoft Dynamics CRM Client\Client\res\web\ Machine name: DPMV4XP Process information: Process ID: 2276 Process name: Microsoft.Crm.Application.Hoster.exe Exception information: Exception type: InvalidCastException Exception message: Unable to cast object of type 'System.Guid' to type 'System.String'.
This problem is fixed in the latest cumulative update rollup for Microsoft Dynamics CRM 4.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
949256 Microsoft Dynamics CRM 4.0 updates and hotfixes
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
For more information about Microsoft Dynamics CRM software hotfix and update package terminology, click the following article number to view the article in the Microsoft Knowledge Base:
887283 Microsoft Business Solutions CRM software hotfix and update package naming standards