When accessing certain Asset Management reports, the error "Object cannot be cast from dbnull to other types" occurs.
Server Error in Altiris/AssetContractCommon Application
Object cannot be cast from dbnull to other types
This will be resolved in a future version of Asset Management.
The workaround is to import older versions of the reports. Attached to this article are those from Asset Management 7.0. To import, go to Reports then right click on a folder and choose Import. Note: These will overwrite the prior versions.
Asset Management 7.1 SP2.
The following two Asset Management reports are known to cause this:
Count of Serial Numbers that appear as Assets Count of Serial Numbers that do not appear as Assets'