Intellistack experienced a major incident on November 24, 2025 affecting API & Document Generation, lasting 10h 38m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Nov 25, 2025, 12:06 AM UTC
Formstack Docs is experiencing an issue where customers are seeing PHP errors on document merges. The most common documents affected are .xlsx formats. Our records indicate the problem started at approximately 10:00am Eastern time with an error message like, "Error merging document (word/document.xml): One or more Merge Fields are accessing object data on a non-object.”
- identified Nov 25, 2025, 12:09 AM UTC
The source of the issue has been identified by our engineers and a solution is pending. Estimated time to a fix is approximately 19:45 Eastern US Time.
- monitoring Nov 25, 2025, 12:54 AM UTC
A fix has been deployed to production. We now see document merges succeeding at normal rates. We’ll continue to monitor error metrics and user reports to confirm full recovery.
- resolved Nov 25, 2025, 01:39 AM UTC
Monitoring indicates that document merges are operating normally and no new user reports have been received. The issue has been fully resolved.