# When I run bcon ,I meet a problem ,I can't get the output data, please help me to solve this problem

**URL:** <https://forum.cmascenter.org/t/when-i-run-bcon-i-meet-a-problem-i-cant-get-the-output-data-please-help-me-to-solve-this-problem/3517>\
**Category:** CMAQ-PREP\
**Created:** [August 23, 2022, 12:13am UTC](https://forum.cmascenter.org/t/when-i-run-bcon-i-meet-a-problem-i-cant-get-the-output-data-please-help-me-to-solve-this-problem/3517 "2022-08-23T00:13:00Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![hogrefe.christian](https://avatars.discourse-cdn.com/v4/letter/h/74df32/32.png) [@hogrefe.christian](https://forum.cmascenter.org/u/hogrefe.christian)\
**Post date:** [August 23, 2022, 12:54am UTC](https://forum.cmascenter.org/t/when-i-run-bcon-i-meet-a-problem-i-cant-get-the-output-data-please-help-me-to-solve-this-problem/3517/3 "2022-08-23T00:54:16Z")

</div>

In addition, it seems you are running CMAQv5.3.2. If the VGTYP for your coarse and fine grids is -9999 (hybrid coordinate), please use CMAQv5.3.3 and see [this recent thread](https://forum.cmascenter.org/t/cmaq-icon-bcon-runtime-error/3484) for further details.

---

_[View the full topic](https://forum.cmascenter.org/t/when-i-run-bcon-i-meet-a-problem-i-cant-get-the-output-data-please-help-me-to-solve-this-problem/3517)._