[Mesa-users] Retry reason: nonzero_ierr，hydro_failed

[Guo Li]

Dear MESA users,

I am experiencing issues with my MESA simulation, specifically receiving the following errors:

Retry reason: nonzero_ierr
Retry reason: hydro_failed

Additionally, the dt_limit reasons are often reported as hold, retry, and backup. The simulation is running particularly slowly.

Could you please clarify what these messages mean and how I can resolve these issues?

Thank you for your assistance!

Best,
Guo Li
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