# Increasing vertical resolution from 70\_40 to 120\_40 running on Monsoon3 **URL:** \ **Category:** Unified Model\ **Tags:** Monsoon2, Nesting-Suite\ **Created:** [24 April 2026 02:07 UTC](https://cms-helpdesk.ncas.ac.uk/t/increasing-vertical-resolution-from-70-40-to-120-40-running-on-monsoon3/2063 "2026-04-24T02:07:56Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![siddharth.gumber](https://dub1.discourse-cdn.com/flex013/user_avatar/cms-helpdesk.ncas.ac.uk/siddharth.gumber/32/351_2.png) [@siddharth.gumber](https://cms-helpdesk.ncas.ac.uk/u/siddharth.gumber)\ **Post date:** [24 April 2026 02:07 UTC](https://cms-helpdesk.ncas.ac.uk/t/increasing-vertical-resolution-from-70-40-to-120-40-running-on-monsoon3/2063/1 "2026-04-24T02:07:56Z")
Hello My nesting suite u-dx530 runs fine with 70\_40km config but when I increase the vertical resolution to 120\_40km for my nesting domains - I get the following error: Also I changed my domain profile to output on model theta levels- bottom level 1 and top level 120. But Im getting the following error: ??? ???!!!???!!!???!!!???!!!???!!! ERROR ???!!!???!!!???!!!???!!!???!!! ? Error code: 10 ? Error from routine: CHK\_OPTS\_MOD:CHK\_INT\_ARR called by CHECK\_NML\_VERTLEVS ? Error message: ? Problem performing defensive checks (CHECK\_NML\_VERTLEVS) ? no. of theta levels,(71), has failed defensive checks, [121]. Any advice? Best Sid ---
**Author:** ![system](https://europe1.discourse-cdn.com/flex013/uploads/cms_support/original/1X/1fd2411499ffcbc299fe756cd5cdf26e44956558.png) [@system](https://cms-helpdesk.ncas.ac.uk/u/system)\ **Post date:** [24 May 2026 02:08 UTC](https://cms-helpdesk.ncas.ac.uk/t/increasing-vertical-resolution-from-70-40-to-120-40-running-on-monsoon3/2063/2 "2026-05-24T02:08:10Z")
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