The requested vessel with name MERIDA and MMSI:0 and IMO:6704830 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MERIDA N/A 235025348 Sep 20, 2017 12:01 UTC
MERIDAN N/A 227831280 Feb 04, 2018 10:32 UTC

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