# Slack Messages Stopped - error posting slack message **URL:** \ **Category:** Synthetics\ **Created:** [October 4, 2023, 2:24pm UTC](https://discuss.elastic.co/t/slack-messages-stopped-error-posting-slack-message/344400 "2023-10-04T14:24:59Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![zx8086](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/zx8086/32/94917_2.png) [@zx8086](https://discuss.elastic.co/u/zx8086)\ **Post date:** [October 4, 2023, 2:24pm UTC](https://discuss.elastic.co/t/slack-messages-stopped-error-posting-slack-message/344400/1 "2023-10-04T14:24:59Z")
Getting the following... The following error was found: error posting slack message Details: A request error occurred: self-signed certificate in certificate chain ![Screenshot 2023-10-04 at 16.17.40](https://us1.discourse-cdn.com/elastic/original/3X/d/8/d8af220aae6cb1667d99cdd3d326c1af8e165c34.png) ---
**Author:** ![emilioalvap](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/emilioalvap/32/99310_2.png) [@emilioalvap](https://discuss.elastic.co/u/emilioalvap)\ **Post date:** [October 13, 2023, 2:29pm UTC](https://discuss.elastic.co/t/slack-messages-stopped-error-posting-slack-message/344400/2 "2023-10-13T14:29:01Z")
Hi @zx8086, Is this happening on an elastic-cloud deployment or self-managed? Do you perhaps have edited any of the SSL settings for the cluster? ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [November 10, 2023, 2:29pm UTC](https://discuss.elastic.co/t/slack-messages-stopped-error-posting-slack-message/344400/3 "2023-11-10T14:29:24Z")
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