Give hint on REALIZATION_MEMORY on oom kills

src/_ert/forward_model_runner/job.py

@@ -264,7 +264,9 @@ def _create_exited_msg_for_non_zero_exit_code(
  f"Forward model step {self.job_data.get('name')} "
  "was killed due to out-of-memory. "
  "Max memory usage recorded by Ert for the "
- f"realization was {max_memory_usage//1024//1024} MB"
+ f"realization was {max_memory_usage//1024//1024} MB. "
+ "Please add REALIZATION_MEMORY to your ert config together "
+ "with a suitable memory amount to avoid this."
  )
  return exited_message.with_error(
  f"Process exited with status code {exited_message.exit_code}"