I just lost all my ground units on a ruin world...
Here are the logs:
15th December 2117 19:22:01,Procyon,43rd Engineer Brigade has disturbed an underground vault on Procyon-A II that contains hostile robotic soldiers
15th December 2117 19:22:01,Procyon,Ground Defence on Procyon-A II. Total Defence Strength: 442.7162 Combat Ratio: 0.1265 Chance of unit loss: 1.3%
15th December 2117 19:22:01,Procyon,Casulties inflicted on enemy ground unit. Estimated losses: 22%
15th December 2117 19:22:01,Procyon,Casulties inflicted on enemy ground unit. Estimated losses: 14%
15th December 2117 19:22:01,Procyon,Procyon-A II suffered 1 hits for a total of 0 points of damage. Casualties: 0m. Infrastructure Loss: 0. Industrial Damage as follows:
15th December 2117 19:22:01,Procyon,Procyon-A II Environmental Update: Radiation Level: 0 Dust Level: 0
27th December 2117 13:22:01,Procyon,15th Engineer Brigade has recovered an abandoned Terraforming Installation on Procyon-A II
27th December 2117 13:22:01,Procyon,41st Engineer Brigade has recovered an abandoned automated mine on Procyon-A II
27th December 2117 13:22:01,Procyon,Ground Defence on Procyon-A II. Total Defence Strength: 444.8603 Combat Ratio: 0.1123 Chance of unit loss: 1.1%
27th December 2117 13:22:01,Procyon,Casulties inflicted on enemy ground unit. Estimated losses: 47%
27th December 2117 13:22:01,Procyon,Casulties inflicted on enemy ground unit. Estimated losses: 39%
27th December 2117 13:22:01,Procyon,Casulties inflicted on enemy ground unit. Estimated losses: 2%
27th December 2117 13:22:01,Procyon,Casulties inflicted on enemy ground unit. Estimated losses: 5%
27th December 2117 13:22:01,Procyon,Procyon-A II suffered 1 hits for a total of 1 points of damage. Casualties: 0.025m. Infrastructure Loss: 0.5. Industrial Damage as follows:
27th December 2117 13:22:01,Procyon,Procyon-A II Environmental Update: Radiation Level: 0 Dust Level: 0
27th December 2117 13:22:01,Procyon,The alien population on Procyon-A II has surrendered!
27th December 2117 13:22:01,Procyon,As a result of conquering a hostile pop on Procyon-A II, suitable reparations to the value of 0 have been appropriated and added to total racial wealth.
27th December 2117 13:22:01,Procyon,Due to the loss of Procyon-A II, 0 has been looted by the conquering barbarians
So, 15 December, robots come out of ruins. 27 December, they surrender (?) and all my troops disappeared (??).
I lost 10 Engineer brigades and a complete division of Heavy Assault (16 Heavy with their chain command).