Can't siege enemy provinces

[bazd megg]

Hi folks,

I declared war on Morocco for provinces, but after taking a province (surrounded by Portugal provinces), I can't take any other provinces.
If I move my troops to any other Moroccan province, no siege happens, and there's even FOW hiding the province from me despite my troops stationing there.
I can't make a peace deal with them, cause the warscore is at 0%.
Why am I unable to siege the rest of the provinces?
This is an ironman game, so I can't go back in time...
I attach the savegame if anybody wants to check the situation.

 

[bazd megg]

When I started the war, Morocco was in alliance with Mamluks, who were fighting the Ottomans (therefore Mamluks didn't join the war against me).
Shortly after I started the war, Mamluks made a peace deal with Ottomans, but I don't think this influenced my war with Morocco cause they refused to join Morocco when the war started.

 

[InvisibleBison]

Your army has become exiled - note that it has a black flag at the right of its display bar. Exiled armies cannot fight battles, occupy territories, or see any territory. I'm not sure how that happened, but the army will revert to normal when it enters a province you own.

 

[Opanashc]

You see the black flag on your units? Means they are armies in exile. They need to return to a province you control, before they can do anything useful.
Did you place those units in another's nation province before declaring war?

 

[bazd megg]

Ohhhh yasss, thanks I don't remember clearly, but apparently it seems I was stationing the troops in Portuguese provinces when I started the war, that's the reason I couldn't use my troops, now I'm sieging them

Thanks for the quick reply.