MySQL connection error: (# 2002) 'Cannot assign requested address'

Stack trace:
[ 0] __construct({Array( [dbHost] => vsviajes.activexsoft.eu [dbU...})  @  /models/my/MConectad.php[452]
[ 1] checkLiveUserConnectionCompatible(, )  @  /models/my/MConectad.php[408]
[ 2] checkLiveUserConnection(, )  @  /controllers/abstract/ControllerBase.php[85]
[ 3] __construct()  @  /controllers/abstract/PermissionBase.php[31]
[ 4] __construct(, )  @  /controllers/abstract/ScopeBase.php[35]
[ 5] __construct(, )  @  /controllers/abstract/PublicBase.php[45]
[ 6] __construct(index)  @  /modules/index/controllers/Index.php[23]
[ 7] __construct()  @  /index.php[190]