They all stopped working (tested now on a fourth site). All in the same way.
Before overwrite the files you sent me, I get this error:
{
"message": "La chiave specificata non era presente nel dizionario.",
"lastAction": {
"name": "recaptcha",
"module": "recaptcha",
"action": "validate",
"options": {
"secret": "6LfuB4EcAAAAAErPQ9q9qLZFwONs2yfxlO3P49-d"
}
},
"orgException": {
"ClassName": "System.Collections.Generic.KeyNotFoundException",
"Message": "La chiave specificata non era presente nel dizionario.",
"Data": null,
"InnerException": null,
"HelpURL": null,
"StackTraceString": " in System.ThrowHelper.ThrowKeyNotFoundException()\r\n in System.Collections.Generic.Dictionary`2.get_Item(TKey key)\r\n in DMXzone.ServerConnect.App.Execute(JToken action) in C:\\Develop\\Server Connect\\ASPNET_Source\\DMXzone Server Connect\\App.cs:riga 371\r\n in DMXzone.ServerConnect.ServerConnect.ExecuteAction(JToken action) in C:\\Develop\\Server Connect\\ASPNET_Source\\DMXzone Server Connect\\ServerConnect.cs:riga 235",
"RemoteStackTraceString": null,
"RemoteStackIndex": 0,
"ExceptionMethod": "8\nThrowKeyNotFoundException\nmscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089\nSystem.ThrowHelper\nVoid ThrowKeyNotFoundException()",
"HResult": -2146232969,
"Source": "mscorlib",
"WatsonBuckets": null
}
}