The requested vessel with name GASCHEM WER and MMSI:419434496 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
GASCHEM WERRA 9560170 636015409 KAWASAKI Feb 19, 2018 23:54 UTC

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