Usually this means I have a turn waiting, but not now.

I assume it comes from this:

http://www.wargear.net/games/view/552304

I was invited but then the game was deleted. Still it comes up as 1 turn waiting for me. Could someone explain to me how I can "make the turn" so to speak, so I don't have the message there all the time?

this is a common occurrence, here's the fix:  

http://www.wargear.net/wiki/doku.php?id=general:faqs#the_page_says_i_have_1_turn_waiting_but_it_is_not_my_turn_in_any_games

...and included in the list of known bugs..

http://www.wargear.net/wiki/doku.php?id=general:faqs

http://www.wargear.net/wiki/doku.php?id=general:faqs#the_page_says_i_have_1_turn_waiting_but_it_is_not_my_turn_in_any_games

Thanks guys, clearing the cache worked nicely.