In this game:
Big Map: http://www.webdiplomacy.net/map.php?
gameID=12462&turn=23&mapType=large&nocache=577511
http://www.webdiplomacy.net/board.php?
gameID=12462German moves: Livonia > Warsaw
Prussia Support move to Warsaw from Livonia
Silesia Support move to Warsaw from Livonia
Turkish moves: Warsaw >Prussia
Galicia > Silesia
Those 2 Turkish moves should disrupt support from both Silesia and Prussia. But only Silesia support move is disrupted and Prussia support move does't get disrupted and Germany got Warsaw because of bug. Prussia and Silesia was not Support holded by other army.