Formstack Documents Returning 404 Errors When Accessing Documents and Builder Tabs

Incident Report for Intellistack

Resolved

This incident has been resolved.
Posted May 20, 2026 - 10:28 EDT

Update

We are continuing to work on a fix for this issue.
Posted May 20, 2026 - 10:26 EDT

Identified

The issue has been identified and a fix is being implemented.
Posted May 20, 2026 - 10:09 EDT

Investigating

We are currently investigating reports of users receiving 404 errors when accessing Formstack Documents through the OnlyOffice builder experience. At this time, we are seeing impact specifically related to the OnlyOffice builder. Native builder functionality, Manage Files access, and PDF uploads are currently operating as expected. Our team is actively working to identify the root cause and assess the full scope of impact. Additional updates will be provided as more information becomes available.
Posted May 20, 2026 - 09:32 EDT
This incident affected: Formstack Documents (API & Document Generation).