# Elasticsearch Engineer (On-Demand) : Unable to Access Lab Instructions : 404 Not Found **URL:** \ **Category:** Elastic Training\ **Created:** [July 11, 2025, 3:36pm UTC](https://discuss.elastic.co/t/elasticsearch-engineer-on-demand-unable-to-access-lab-instructions-404-not-found/380040 "2025-07-11T15:36:51Z")\ **Posts on this page:** 1\ **Showing post:** 14
**Author:** ![Tortoise](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/tortoise/32/147587_2.png) [@Tortoise](https://discuss.elastic.co/u/Tortoise)\ **Post date:** [July 19, 2025, 2:02am UTC](https://discuss.elastic.co/t/elasticsearch-engineer-on-demand-unable-to-access-lab-instructions-404-not-found/380040/14 "2025-07-19T02:02:39Z")
Hello, As per below link seems the issue is fixed & if it still persist please follow the instructions provided : > [@I can not open Instructions from Elastic Certified Observability Engineer Practice Exam Lab](https://discuss.elastic.co/t/i-can-not-open-instructions-from-elastic-certified-observability-engineer-practice-exam-lab/376570/21): > > Hello everyone, We apologize for the issue, we recently had an bug affecting all our courses. This currently being fixed. Please send an email to [training@elastic.co](mailto:training@elastic.co) mentioning the course and the email you used to register. That way we can recreate a lab for you. Sorry for the inconvenience, Romain Thanks!! --- _[View the full topic](https://discuss.elastic.co/t/elasticsearch-engineer-on-demand-unable-to-access-lab-instructions-404-not-found/380040)._