# Unable to load pipelines arraycopy: length -1 is negative

**URL:** <https://discuss.elastic.co/t/unable-to-load-pipelines-arraycopy-length-1-is-negative/346407>\
**Category:** Elasticsearch\
**Tags:** ingest-pipeline\
**Created:** [November 3, 2023, 8:55pm UTC](https://discuss.elastic.co/t/unable-to-load-pipelines-arraycopy-length-1-is-negative/346407 "2023-11-03T20:55:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![emi\_rose](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/emi_rose/32/83050_2.png) [@emi\_rose](https://discuss.elastic.co/u/emi_rose)\
**Post date:** [November 3, 2023, 8:55pm UTC](https://discuss.elastic.co/t/unable-to-load-pipelines-arraycopy-length-1-is-negative/346407/1 "2023-11-03T20:55:42Z")

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Hi there,

I noticed one of my ingest pipelines didn't appear to be working, and when I went to look at the ingest pipelines, this error message popped up. I haven't been able to find this error anywhere else on any forums or stack overflow. What could be the possible cause? Thanks

 ![Screenshot 2023-11-03 at 3.55.01 PM](https://us1.discourse-cdn.com/elastic/original/3X/c/b/cb27bc5297092dc6d7f1aa6399a2cdbd99e4233a.jpeg)

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 1, 2023, 8:55pm UTC](https://discuss.elastic.co/t/unable-to-load-pipelines-arraycopy-length-1-is-negative/346407/2 "2023-12-01T20:55:48Z")

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