Sigma Computing had 12 outages in the last 2 years totaling 139h 40m of downtime — averaging 0.5 incidents per month.
There were 12 Sigma Computing outages since June 12, 2025 totaling 139h 40m of downtime. Each is summarised below — incident details, duration, and resolution information.
Users are experiencing elevated errors when exporting pivot tables, with the error message "Column alias not found".
This incident has been resolved.
The permission denied issue got resolved Impacted Cloud Regions & Services: All regions User Experience: Users get permission denied error in the workbook Incident Start Time: Approximately 2:00PM UTC April 08, 2026
This incident has been resolved.
We have identified the root cause for this issue with Google sheets integration and are currently deploying a fix to all regions. We will update here once we have additional information. We are treating this as our highest priority. Our apologies for any inconvenience caused. Impacted Cloud Regions & Services: All regions User Experience: Affected users are unable to create or use Google Sheets integrations in their exports. Incident Start Time: Approximately 19:15 UTC March 31, 2026
Our engineers have implemented mitigation measures to circumvent the issue and we are monitoring their effect closely. Impacted Cloud Regions & Services: All regions User Experience: Google Sheets integration and related exports should now be functioning as expected. Incident Start Time: Approximately 19:15 UTC March 31, 2026 Incident End Time: Approximately 22:12 UTC March 31, 2026
The mitigation measures have proven effective, and the issue is resolved. We will perform a root cause analysis (RCA) and publish our findings in a postmortem note to the Sigma Community site in coming days. Impacted Cloud Regions & Services: All regions User Experience: Google Sheets integration and related exports should now be functioning as expected. Incident Start Time: Approximately 19:15 UTC March 31, 2026 Incident End Time: Approximately 22:12 UTC March 31, 2026
Our 3rd party chat system Intercom is currently experiencing an outage as listed here https://www.intercomstatus.com/us-hosting. If you have an urgent request that requires immediate attention while this outage is ongoing, please go to https://support.sigmacomputing.com and press "Submit a Request" to submit a ticket. Expect response times being slower than usual. We apologize for this inconvenience and will update this page as the situation develops.
Our 3rd party system has updated their incident saying a fix has been implemented. Sigma support team has noticed that the chat application is currently online and our Support Engineers are online but we will continue monitoring for any up new development.
We are continuing to investigate this issue.
Our 3rd party system has updated their incident saying a fix has been implemented. Sigma support team has noticed that the chat application is currently online and our Support Engineers are online but we will continue monitoring for any up new development.
Our 3rd party vendor has updated their incident marking it as now resolved. We have confirmed that our chat support system is fully operational and our technical support engineers are available there. We will mark this incident as resolved as well. Again we apologize for the inconvenience this has caused, and appreciate your understanding.
We are currently investigating an issue affecting scheduled exports, materializations, and warehouse view updates on AWS US
A fix has been implemented and we are monitoring the results
This incident has been resolved. The queued tasks should start recovering automatically
We have received reports of errors causing PDF exports to fail. We are investigating the issue at the highest priority. Our preliminary investigations indicate the following: Impacted Cloud Regions & Services: AWS US and GCP US regions, PDF Exports User Experience: Timeout errors causing PDF export failures Incident Start Time: Approximately 13:00 UTC on 2025-12-11 We will provide updates on this page when we have pertinent status updates.
We are continuing to investigate the issue at the highest priority. We will provide updates on this page when we have pertinent status updates.
We have identified that PDF export failures were impacting a small percentage of our users. We applied mitigation steps and our monitoring indicates that this issue has been resolved. We will perform a root cause analysis (RCA) and publish our findings in a postmortem note to the Sigma Community site in the coming days. Impacted Cloud Regions & Services: AWS US and GCP US regions, PDF Exports User Experience: We expect impacted users' scheduled exports to succeed without the errors seen previously Incident Start Time: Approximately 13:00 UTC on 2025-12-11 Incident End Time: Approximately 17:50 UTC on 2025-12-11
Sigma Engineering has completed the postmortem of this incident. A Root Cause Analysis \(RCA\) is available on the Sigma Community site: [Post Mortem for Dec 11, 2025 incident - Degraded performance for Schedule PDF & PNG Exports, AWS US and GCP regions](https://community.sigmacomputing.com/t/post-mortem-for-dec-11-2025-incident-degraded-performance-for-schedule-pdf-png-exports-aws-us-and-gcp-regions/6401).
At 08:56 UTC Cloudflare's scheduled maintenance to their Web Application Firewalls failed and an incident was declared. At 09:12 UTC a fix was deployed and traffic was restored. Sigma's service was impacted by this incident, as this did not allow traffic to reach our servers. Our internal monitoring matches the incident timeline and indicated that customers may have experienced failures when using our services during this brief incident.
We are currently investigating a partial service disruption affecting Azure-hosted customers. Users may notice issues with loading, displaying, or uploading images and other custom assets. Initial reports suggest this appears to be caused by an Azure CDN outage. We are actively monitoring the situation.
This incident has been resolved.
Starting at 7:11 UTC, AWS reported increased error rates and latencies for multiple services in the US-EAST-1 Region. At 10:35 UTC, AWS declared the incident in the US-EAST-1 region mitigated. While Sigma's service was not impacted by the incident, third party services that Sigma uses were impacted. Customers may have experienced intermittent delays or failures when accessing or using cloud data warehouse services during the incident. Contacting Sigma Support via Live Chat or email was disrupted during the incident. Incident Start Time: 7:11 UTC Incident End Time: 10:35 UTC
We are investigating an issue with Sigma organizations hosted on Azure that impacts login. We are treating this as our highest priority. Our apologies for any inconvenience caused. User Experience: Login page does not load
The issue is now mitigated. All Azure users should be able to log into Sigma without issue at this time.
We are continuing to monitor for any further issues.
This incident has been resolved.
GCP Outage affecting Sigma organizations hosted on multiple cloud providers We are investigating an issue with Sigma organizations hosted on GCP experiencing errors owing to GCP outage (https://status.cloud.google.com/). A number of services and providers we use are also down so there may be some impact in other cloud providers as well. We are treating this as our highest priority. Our apologies for any inconvenience caused. User Experience: Increased error rates when performing regular operations. Incident Start Time: Approximately 17:55 UTC June 12, 2025
Update: GCP is still not fully recovered (https://status.cloud.google.com/). A number of services and providers are also on the path to recovery and we are starting to see services recover but are continuing to monitor closely. User Experience: Users should expect the decreased errors for affected sigma organizations. Incident Start Time: Approximately 17:55 UTC June 12, 2025
Update: All Sigma customers should be able to resume using Sigma at this time. We are seeing our services operating normally at this time. Note: Google has not fully resolved the outage so customers may encounter errors intermittently. Incident Start Time: Approximately 17:55 UTC June 12, 2025 Incident End Time: Approximately 20:45 UTC June 12, 2025
Status: Resolved Update: Sigma services affected by the Google GCP outage have fully recovered at this time. Incident Start Time: Approximately 17:55 UTC June 12, 2025 Incident End Time: Approximately 20:45 UTC June 12, 2025