Grand arena

[Otsumo]

Me too.

[Nekhrvn]

Same problem as my fellow players above

[spook58]

also had this happen done two battles as i thought it may just be a fluke but i won both times with no banners awarded

[Mariomanola]

Same here!

Two wins, connection error, restart the game. No banners. 

[Ritmas1]

http://prntscr.com/ls5zcb

Got an error after winning

[lore10-half]

Same here. Frustrating and nothing after cleared territory. Ally code 771-589-628

[valadas85]

Same problem. Conquer a sector but get 0 banners. Game crushed both times i won.
Platform- iphone 5s

Ally-code 747-696-129

[Obiwanvenoso]

Yeah... two fights, two perfect victory’s with everyone alive, and none banners!!! Government my banners!!!

[Bruinbear99]

Same here on an ipad pro.  Error code 11 on the win.  No banners awarded.  Happened twice so far.

[alexisvalarr]

Same here