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# Why your Flow fails silently in production
- URL: https://www.namastesalesforce.com/blog/why-your-flow-fails-silently-in-production/
- Published: 2025-04-04T09:00:00.000Z
- Updated: 2025-04-04T09:00:00.000Z
- Description: The flow works in the sandbox, passes UAT, and then quietly stops firing for one profile in production. Here is the checklist that finds it.
- Author: Swarnil Singhai
- Tags: #blog, Flow, #Import 2026-09-03 19:13

The flow works in the sandbox, passes UAT, and then quietly stops firing for one profile in production. Here is the checklist that finds it.

## The usual suspects

Nine times out of ten it is one of four things: entry conditions referencing a field the running user cannot see, a paused interview waiting on a time path, an element-level fault swallowed without a fault path, or the flow simply not activated after deployment.

## Field-level security is invisible to Flow

A flow running in user context silently gets null for fields the user cannot read. No error, no debug line — the decision element just takes the other branch. Run system context deliberately or grant the permission deliberately; never leave it to luck.

## Build the alarm before the fire

A one-element subflow on every fault path — log a record, notify a channel — costs ten minutes per flow and turns 'users have been silently affected for three weeks' into 'we knew within the hour'.