# CCTM stops running on long simulation

**URL:** <https://forum.cmascenter.org/t/cctm-stops-running-on-long-simulation/292>\
**Category:** Run Time Errors and Issues\
**Created:** [September 12, 2018, 8:36pm UTC](https://forum.cmascenter.org/t/cctm-stops-running-on-long-simulation/292 "2018-09-12T20:36:30Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![ever.barreto](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.cmascenter.org/ever.barreto/32/778_2.png) [@ever.barreto](https://forum.cmascenter.org/u/ever.barreto)\
**Post date:** [September 14, 2018, 5:41pm UTC](https://forum.cmascenter.org/t/cctm-stops-running-on-long-simulation/292/9 "2018-09-14T17:41:45Z")

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Hi @ernesto.pinoc,

did another test run with NSTEPS set to 720000 but got the same results again, model seems to halt after day one.

I saw you did a run for 15 days here:

> [@BCON m3conc from CCTM outputs](https://forum.cmascenter.org/t/bcon-m3conc-from-cctm-outputs/299):
>
> Hello: I did a run in CCTM for 15 days. Now I want to continue for 16 days to complete 1 month (January) and I was wondering if I have to use the same BCON file as used for the first run, or instead, I could use a bcon file but using module m3conc. I reviewed the bcon script and the input required is a file called CCTM\_d1bCONC.d1b. I was looking for it in the output file and I did not find it. Could you please help me to understand what file is required? Thanks for your time

any chance you can share with me your `run_cctm.csh` script? Just want to double check and compare my settings against yours, maybe something pops up, think is possible?

Thank you!

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