Cannot Find the Database in the Content Store (Error QE-DEF-0288)

You cannot retrieve data from the selected database when running a report from IBM® Cognos® Query Studio, IBM Cognos Connection, or Report Studio.

The following error message appears:

QE-DEF-0288 Unable to find the database...

If this error does not occur when you are logged on as an administrator, then to solve the problem, ensure that the user has permissions to the signon embedded. If this error always occurs, the data source has not been created. Create the data source with the name mentioned in the error message.