# 500 error - connection error
source: https://developer.mastercard.com/automatic-billing-updater/documentation/code-samples/httpstatus500-connection-error/index.md

```json
{
   "Errors":{
      "Error":[
         {
            "Source":"ABU Service",
            "ReasonCode":"ABU_CONNECTION_ERROR",
            "Description":"ABU Data Unavailable",
            "Recoverable":false
         }
      ]
   }
}
```