In the game "Hooks", Phase Spring 1904 Orders, Austria (thats me) told Russia to convoy Rumania to Constantinople. Russia did this and I ordered Rumania to Constantinople. Apparently there was a glitch because nothing happened and it gives an error message in the order description.
Austria:
Rumania HOLD -> Convoy destination error f bla xxx
Russia:
Black Sea CONVOY Rumania to Constantinople -> Convoy destination error f bla c a rum - con