bulkMigrateListing not work anymore.

[sphinxparts]

I'm in progress of migrate listing from my old ebay lists to new RESTFul api by call bulkMigrateListing function. The function work fine until today. every call return error 2003

{
  "errors": [
    {
      "errorId": 2003,
      "domain": "ACCESS",
      "category": "APPLICATION",
      "message": "Internal error",
      "longMessage": "There was a problem with an eBay internal system or process. Contact eBay developer support for assistance",
      "parameters": [
        {
          "name": "reason",
          "value": "Failed to transform underlying error response, see logs."
        }
      ]
    }
  ]
}

dose anyone encounter this/familiar problem ? the migrate progress was done around 40% of total lists and the routine function for this account is inactive for now.  need to fix this problem fast.