Can't enter game

HI there

I've played call of war for a couple months and loved it however i can no longer enter any games it consistantly comes up with game can not be laoded try again later i used 2 diffrent computers and a phone bizzarley though it worked on a mac is there any way to fix this issue cause im quite annoyed all the time ive spent on a game is worthless as my country's going to ai.

Thanks

The Bear