The requested vessel with name GUSTAF AF KLINT and MMSI:0 and IMO:5138539 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
GUSTAF AF KLINT N/A 265721780 BARSWEEP L Feb 23, 2018 12:59 UTC

Also, you may try to find the vessel in our comprehensive Vessels Database or track this ship on the map.