The requested vessel with name KRITI SEA and MMSI:0 and IMO:7379723 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
KRITI SEA 9252400 241231000 VARNA Feb 24, 2018 21:55 UTC

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