Trace a broken morning run
Diagnose a failed automation by tracing causes from symptom to process fix.
7:12 a.m. The scheduled replenishment run failed with KeyError: sku, and 46 purchase orders are missing. A code-only patch may get today moving while leaving tomorrow's failure untouched. RCA for automation Symptom -> cause -> corrective action Use the stack trace to start the investigation, then keep moving upstream until the process cause is visible. Shortcut Patch the column name and move on. Failures become visible before they create bad operations work. Fix the controllable cause, not only the visible exception. 01 Symptom 02 Evidence 03 Prevention 04 Now you try
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