# Issues with ACCESS-rAM: ocean domains (u-dg767) and NaNs in BICGstab (u-dg768)

**URL:** <https://forum.access-hive.org.au/t/issues-with-access-ram-ocean-domains-u-dg767-and-nans-in-bicgstab-u-dg768/4418>\
**Category:** rAM3/Regional Nesting Suite\
**Tags:** help, access-ram\
**Created:** [16 April 2025 02:20 UTC](https://forum.access-hive.org.au/t/issues-with-access-ram-ocean-domains-u-dg767-and-nans-in-bicgstab-u-dg768/4418 "2025-04-16T02:20:34Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Scott](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.access-hive.org.au/scott/32/37_2.png) [@Scott](https://forum.access-hive.org.au/u/Scott)\
**Post date:** [16 April 2025 03:13 UTC](https://forum.access-hive.org.au/t/issues-with-access-ram-ocean-domains-u-dg767-and-nans-in-bicgstab-u-dg768/4418/3 "2025-04-16T03:13:53Z")

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I’m pretty sure the UM needs at least one land point to run - when I set up aqua planets ages ago you needed to put a land point on the pole to get it to run. That might have changed though.

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