Always be in port and make a back up of any files altering
Open up mission editor
Open Rnd layer using the FILE top left
Point it to \Campaigns\CampaignGE\CampaignData
And open Jap_HarborTraffic
Back to FILE
Select Merge
DO NOT TICK THE MERGE AS SAVABLE
Point it towards \Campaigns\Campaign and open Campaign_LOC ( shows the ports on the map )
Now you can zoom in and move troubled ship ( s )
Help if you know which ones it is
When done moving ships
Click FILE
Save Rnd layer as
And point it back to the first file you opened
\Campaigns\CampaignGE\CampaignData
Jap_HarborTraffic