04.01 How to Troubleshoot and Fix Errors in Codex

Covers analyzing the original error, creating a minimal reproduction, defining the scope of changes, and performing regression checks.

01 · Introduction

Covers analyzing the original error, creating a minimal reproduction, defining the scope of changes, and performing regression checks.
Designed for users who encounter occasional workflow failures or inconsistent outputs and aren't sure where to begin troubleshooting.

Teaching Example: "Northstar Studio" is a fictional business serving independent coffee shops in the UK. Details such as the 35×40cm cotton bag dimensions, a minimum order quantity (MOQ) of 100, and a 7–10 business day turnaround for samples are purely illustrative; pricing, shipping costs, certifications, and full lead times are unspecified. This example does not represent actual business results.

02 · Required Resources

• The specific step that failed, the original error message, and the input version used.
• A small, representative sample that consistently reproduces the issue.
• A reference sample th…

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