Blog
Insights on production scheduling, lean manufacturing, and manufacturing software from 35+ years of industry experience.
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A Report Shows No Rows for a Date Range That Has Jobs: Causes and Fixes
An empty report over a window that clearly has jobs usually means the report reads actuals, not the plan. How to tell which source a report uses and get rows back.
A Tab I Expect Is Missing: Causes and Fixes
When a module tab you expect is not on screen, the cause is almost always a permission code your roles do not grant. How to find the missing code and restore the tab.
A User Cannot Sign In: Causes and Fixes
When sign-in fails with invalid username or password, the real cause is a bad password, a deactivated account, or a lockout after five failed attempts. The Users grid tells you which.
Hours Landed on a Date Outside the Operation Window: Causes and Fixes
When an operation's day-by-day hour split shows a date its own bar does not cover, the cause is almost always rows left behind when a reschedule moved the window.
My Scenario Result Does Not Match the Live Schedule: Causes and Fixes
A what-if scenario runs in memory against a clean copy of the plan, so its dates can differ from the live schedule. The documented reasons a gap appears and what to check.
Two Jobs Landed on the Same One-Per-Day Machine: Causes and Fixes
When a one-job-per-day machine unit shows two jobs on the same date, the cause is a stale allocation, a synchronized mirror, or too few units. How to tell which and fix it.
A Grid Layout Came Back Wrong After an Update: Causes and Fixes
After a new column ships, a saved grid layout can hide it or show columns in odd widths. Why a saved layout and a changed default collide, and how to restore the grid cleanly.
My Mask Re-Run Made No Changes: Why Updates Did Not Land
Re-importing a file and seeing nothing change usually means the rows reconciled as reused, or the update cells you counted on were blank. How to tell which and fix it.
A Pieces-Based Work Center Scheduled in Hours: Why, and the Fix
A pieces-based work center only schedules by output when the routing step actually carries a pieces requirement. Miss that and the step falls back to run hours.
A Routing Re-Import Wiped Steps I Added: Why, and How to Avoid It
A routing re-import replaces every step for the end product from the file, so steps you added by hand and left out of the file are removed. How the replace works and how to keep your edits.
A Saved Grid Layout Will Not Persist: Causes and Fixes
A grid that forgets your column arrangement usually points at not navigating away to save, a single-column list that does not persist, or an auto-fit on load. How to make it stick.
A Scenario Override Did Not Apply: Causes and Fixes
A what-if override that has no effect usually means you read the base quote not the scenario, the override targets a step the routing does not have, or a scenario cannot change that field.