# \#ancillaries

**URL:** https://forum.access-hive.org.au/tag/ancillaries/484.md

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## [UKMO ants library will arbitrarily over-write filenames](https://forum.access-hive.org.au/t/ukmo-ants-library-will-arbitrarily-over-write-filenames/6877)

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**Author:** [@Paul.Gregory](https://forum.access-hive.org.au/u/Paul.Gregory)\
**Replies:** 0\
**Last updated:** [20 August 2026 23:49 UTC](https://forum.access-hive.org.au/t/ukmo-ants-library-will-arbitrarily-over-write-filenames/6877 "2026-08-20T23:49:06Z")

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Hi all. I’ve been chasing my tail for a few days until I discovered this. I’m posting this so it’s documented within the community. TLDR; ants will arbitarily override some filenames when saving a UM ancillary file. Tr…