EDIT: if you have troble with: Cargo Ships 0.2.3 are Incompatible with LTN 1.18.4
Error while running setup for entity prototype "port" (Train-stop): next target (ltn-port) must have same collision mask.
https://ibb.co/sjkQ6Kq
I dont know where is the problem, so I inform both mod writers
Thank you
Fix is: Ok i Can aprove say for me - have tested it (thx Optera from LTN for the tip) its a problem with "Balanced Waterfill". After deactivating and activate ltn + cargo ship it works!