The error, as shown below, is shown in the Ivanti Workspace Control console when switching User Settings modes.
For example, User Settings are configured to Capture data. When switching this configuration to mode Track any or mode Capture Targeted items once, then track, the following error will be displayed.
Error #: 91
Error Description: Object variable or With block variable not set
This issue is resolved in Ivanti Workspace Control 10.2.900.0.