Episode 78 of The Trigan Empire
A Tragic Misunderstanding
aka Het ijs van Nivata (Dutch title)
The Ice of Nivata (Dutch title, translated)
Written by Ken Roscoe
Illustrated by Gerry Wood
A Tragic Misunderstanding was originally published in 12 instalments in issues 912 (14 July 1979) to 923 (29 September 1979) of Look and Learn magazine.
To date it has not been reprinted in English.
Plot summary (Dutch)