Error: "Unable to connect to the Notes Migrator for SharePoint Import Service at 'http://:8888/Im (4270571)

The following error is returned  during migration job execution or while testing connection:

"System.InvalidOperationException: Unable to connect to the Notes Migrator for SharePoint Import Service at 'http://:8888/ImportSession.svc' due to the following error: 'Invalid URI: The hostname could not be parsed.'
at Quest.NSP.SharePoint.SharePointRemoteLoad.WriteSharePointList(TransferJob job, IDataReader reader, XmlDocument databaseInfo, ImportServiceConnectionSettings importServiceConnectionSettings, ClientCredentials credentials, IFeedback progress, EventSeverity minLogSeverity)
at Quest.NSP.Migrator.ProgressForm.RunJob(String jobName, TransferJob job, Options options, MigratorLicense license)"

Incorrect configuration of Import Service

Please correct the  url of the Import Service at the  Central Admin page to the format  as "'http://SERVER_NAME:8888/ImportSession.svc'"

N/A