ERPNext Controllers - Error Handling

This skill covers error handling patterns for Document Controllers. For syntax, see erpnext-syntax-controllers. For implementation workflows, see erpnext-impl-controllers.

Version: v14/v15/v16 compatible

Controllers vs Server Scripts: Error Handling

┌─────────────────────────────────────────────────────────────────────┐
│ CONTROLLERS HAVE FULL PYTHON POWER                                  │
├─────────────────────────────────────────────────────────────────────┤
│                                                                     │
│ ✅ try/except blocks - Full exception handling                      │
│ ✅ raise statements - Custom exceptions                             │
│ ✅ Multiple except clauses - Handle specific errors                 │
│ ✅ finally blocks - Cleanup operations                              │