In Make

1. Open the workflow
2. On the left, click "Execution History"
3. You see a list of every run: timestamp, status (success/failed), how many operations ran
4. Click any execution to see details
5. You see each module and what happened:
6. Input data (what the module received)
7. Output data (what the module produced)
8. Any error message

Reading an error: If a module failed, click it. You'll see a red error message. Read it carefully. It often tells you exactly what went wrong.