Hourly number of requests reached

[SlootweR]

Very often we get this error, how many issues is causing this and can it be removed as it probit us in testing:

{
  "ExceptionType": "IPPException",
  "ExceptionMessage": "Hourly number of requests reached",
  "ExceptionFaultCode": "12028",
  "ExceptionMessageID": "12028_d8a209fc-f22b-4908-8532-a7ea886e60dd",
  "ExceptionDetails": ""
}