Help in Breaching the blue line missions

[Khadhafi]

I'm complete all this things:

Prymary objective
- Break through German defenses to the bridge
- Ensure safe passage
- Destroy enemy force at the farm
- Drive the Germans from their potitions

All enemy dead but why i can't complete this primary objective :

- Break through German defenses and bring the wounded to Mayor Kunikov

I try to move all soldier included wounded soldier (all wounded save) to Mayor Kunikov but still can't finish this primary objective.

Help me how to pass this