errores al entrar en los arcade

version del foro 4.1.10

en la Adminsitracion pinchando en la pestaña arcade me sale estos errores

Deprecated: Assigning the return value of new by reference is deprecated in /usr/home/spanishred.com/web/admincp/arcade.php on line 897

Deprecated: Assigning the return value of new by reference is deprecated in /usr/home/spanishred.com/web/admincp/arcade.php on line 5386

si accedo a los juegos arcade me salen estos errores arriba

Deprecated: Assigning the return value of new by reference is deprecated in /usr/home/spanishred.com/web/arcade.php on line 3191

Deprecated: Assigning the return value of new by reference is deprecated in /usr/home/spanishred.com/web/arcade.php on line 4084

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at [path]/arcade.php:3191) in [path]/includes/facebook/facebook.php on line 37

Warning: Cannot modify header information - headers already sent by (output started at [path]/arcade.php:3191) in [path]/arcade.php on line 97

Warning: Cannot modify header information - headers already sent by (output started at [path]/arcade.php:3191) in [path]/includes/functions.php on line 5306

si me pongo a jugar a cualquier juego instalado

Deprecated: Assigning the return value of new by reference is deprecated in /usr/home/spanishred.com/web/arcade.php on line 3191

Deprecated: Assigning the return value of new by reference is deprecated in /usr/home/spanishred.com/web/arcade.php on line 4084

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at [path]/arcade.php:3191) in [path]/includes/facebook/facebook.php on line 37

Warning: Cannot modify header information - headers already sent by (output started at [path]/arcade.php:3191) in [path]/arcade.php on line 97

Warning: Cannot modify header information - headers already sent by (output started at [path]/arcade.php:3191) in [path]/arcade.php on line 2677

Warning: Cannot modify header information - headers already sent by (output started at [path]/arcade.php:3191) in [path]/arcade.php on line 2678

Warning: Cannot modify header information - headers already sent by (output started at [path]/arcade.php:3191) in [path]/arcade.php on line 2679

Warning: Cannot modify header information - headers already sent by (output started at [path]/arcade.php:3191) in [path]/arcade.php on line 2680

Warning: Cannot modify header information - headers already sent by (output started at [path]/arcade.php:3191) in [path]/includes/functions.php on line 5306

estos errores aparecieron de un dia para otro, como se pueden solucionar? gracias