Error on empty of attributes PATCH

[nohponex]

{

  "data": {
    "type": "user",
    "attributes": {
    }
  }
}

Response:

{
  "errors": [
    {
      "status": 400,
      "detail": "SQLSTATE[42601]: Syntax error: 7 ERROR:  zero-length delimited identifier at or near \"\"\"\"\nLINE 1: UPDATE \"user\" SET \"\" = $1 WHERE \"user\".\"id\" = $2\n                          ^",
      "title": "Error"
    }
  ],
  "jsonapi": {
    "version": "1.0"
  }
}