Jobs Suspending After Upgrade To 2026.3.1 With Error "Value Cannot Be Null"

ISSUE

After upgrade to 2026.3.1 jobs are suspending with "Value Cannot Be Null" error.

This error can also appear in multiple places in Jobs monitor, such as opening a job via "Find" and navigating to "Variables", "Documents", "Notes" tabs.

It is related to a change in behaviour relating to updating Data Object(DO)

When a DO field is configured to accept a null value, the value cannot be null error occurs when you try to update it using an expression node.

CAUSE

This was confirmed to be a Bug 2264553- Suspending jobs after upgrade to 2026.3.1

SOLUTION

It was fixed in an upgrade 2026.3.1.FIX25923

https://status.tungstencloud.com/europe/incidents/01M1MCG0RX9XW05N8BKW5ZNBRA