Idle process

[coraline]

Dear all,
I was trying to optimize the geometry of δ bismuth oxide, but it keep failing.
I keep receiving this error message. Could you please tell me the possible causes of this error?
The error message:
+------------------------------------------------------------------------------+
| WARNING: Some processes are idle.                                            |
+------------------------------------------------------------------------------+
Thank you very much.

[mlee]

This is not error. This is warning because some processes are idle.

It will be helpful to parallelize the jobs.
https://docs.quantumatk.com/technicalnotes/parallelization/parallelization.html