Resolved after 12 hours, affecting SendGrid Marketing Campaigns, on December 9, 2025.
Our engineers have monitored the fix and confirmed the issue with Segments for Marketing Campaigns has been resolved. All services are now operating normally at this time.
Affected components
Update timeline
- investigating Dec 09, 2025, 11:40 AM UTC
Starting around 12:30 AM, PST on 8th Dec, our engineers began investigating an issue with editing currently existing segments. Customers may experience an error in the UI that states 'You can't edit the conditions in this segment This segment contains conditions that cannot be edited in the ui. Please contact your developer to edit the conditions contained in this segment.' This does impact mail send. We will provide another update in an hour or as soon as more information becomes available.
- investigating Dec 09, 2025, 12:41 PM UTC
Our engineering team is continuing to investigate this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- investigating Dec 09, 2025, 01:35 PM UTC
Our engineering team is continuing to investigate this issue. We will provide another update as soon as more information becomes available. Thank you for your patience.
- monitoring Dec 09, 2025, 03:46 PM UTC
Our engineers have identified the issue and have implemented a fix. Any segments created during 12/05 10:00 am (PST) and 12/09 3:53 am (PST) may still experience issues editing segments in the UI, if so a workaround would be to use an api call to update the segment which would also fix the UI.
- monitoring Dec 09, 2025, 05:43 PM UTC
Our engineers are still monitoring system performance. We will provide another update in one hour or as soon as more information becomes available.
- monitoring Dec 09, 2025, 06:58 PM UTC
Our engineers continue monitoring system performance. We will provide another update in two hours or as soon as more information becomes available.
- monitoring Dec 09, 2025, 08:59 PM UTC
Our engineers are still monitoring system performance. We will provide another update in two hours or as soon as more information becomes available.
- monitoring Dec 09, 2025, 10:59 PM UTC
Our engineers are still monitoring system performance. We will provide another update in two hours or as soon as more information becomes available.
- resolved Dec 09, 2025, 11:41 PM UTC
Our engineers have monitored the fix and confirmed the issue with Segments for Marketing Campaigns has been resolved. All services are now operating normally at this time.
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