<oml:run xmlns:oml="http://openml.org/openml">
  <oml:task_id>4460</oml:task_id>
  <oml:implementation_id>663</oml:implementation_id>
  <oml:error_message>Error in try(runTaskMlr(task, lrn)) : 
  Assertion on 'subset' failed: Must be integerish
</oml:error_message>
</oml:run>