VBA Advanced Debugging Tools
13 articles
Troubleshooting VLOOKUP and MATCH when called via WorksheetFunction.
When using Application.WorksheetFunction.VLookup or Application.WorksheetFunction.Match in VBA, code execution abruptly halts with Runtime Error 1004: Unable…
Handling errors in Class Modules.
Debugging errors in VBA Class Modules is notoriously frustrating because Excel’s default development environment obscures where…
Cleaning up the “VBA Project Junk” using code export/import.
When an Excel macro workbook begins crashing randomly on startup, swelling in file size, or throwing…
Building a “Reset” macro to fix Excel settings after a crash (Calculation, ScreenUpdating).
When an Excel macro crashes, stops midway, or is manually canceled with Ctrl + Break, it…
How to find the exact line causing a crash using Erl.
When a VBA macro encounters a runtime error, Excel’s default error message displays the error number…
Events Debugging: Why EnableEvents = False is necessary to prevent infinite loops.
When Excel freezes, crashes, or halts with Runtime Error 28: Out of stack space inside a…
Handling errors in UserForms: Validating text box input before it breaks the code.
When a user types text into a numeric field, enters an invalid date, or clicks Submit…
Debug.Print: The developer’s best friend for silent error logging.
Interactive debugging tools like MsgBox interrupt code execution, reset focus, and make it difficult to monitor…
Using Watch Windows to track Object states.
Tracking object properties in VBA can be difficult because objects change dynamically as loops execute and…
How to use the Immediate Window to debug variable values in real-time.
The Immediate Window is an interactive execution and evaluation console built directly into the Visual Basic…
Building a Global Error Handler: The Err.Number and Err.Description guide.
While small scripts can rely on quick inline checks, enterprise-grade Excel applications require a systematic approach…
Using On Error Resume Next vs. On Error GoTo 0 (The right way).
In Excel VBA, unhandled errors immediately halt execution and display cryptic runtime dialog boxes to users.…