| PM90SettingsAPI.Exceptions Namespace | 
| Class | Description | |
|---|---|---|
| PMDatabaseConnectionNotFoundException | 
            Represents an error indicating no valid Print Manager Plus database connection is found
              | |
| PMDatabaseException | 
            Represents an database connection or syntax error that has occurred when processing an API request
              | |
| PMException | 
            Represents an error accessing, or processing an API method call or class initialization
              | |
| PMObjectNoFoundException | 
            Represents an object does not exist or could not be found.  Such as user, or printer being requested is not in the database.
              | |
| PMServiceUnreachableException | 
            Represents an error contacting the local Print Manager Plus tracking service, or lack of local Administrative rights
              |