I assume this is the first time this has been tried and is failing. You mentioned off-line that Citrix server is part of the equation. Has anything changed in that environment?

This particular error is coming from Crystal Reports and likely not specific to the Adagio database. You could try creating a dummy Excel Spreadsheet with a couple of titles in row 1 and values underneath, select the columns and Insert / Name / Define to define a named range, and then attempt to use Crystal Reports to report off of the spreadsheet via the ODBC Excel connection. If this also fails, then you know for sure that this is a Crystal error.

FYI - if you install Crystal Reports for Adagio, you will need to install Adagio accounting applications afterwards to ensure the reporting tables are up to date.