When the error pop-up appears, click to highlight the specific line causing the issue. Alternatively, press F8 in the VBA Editor to "Step Through" the code line by line. 2. Verify Object Assignment
If the error occurs in Microsoft Office, try updating or repairing the installation to fix potential file corruption. Step-by-Step Troubleshooting 1. Identify the Broken Line How to Fix Runtime Error 91 in a Safe and Easy Way
To fix , you must ensure that every object variable is properly assigned using the Set keyword before your code attempts to use its properties or methods. Quickest Fixes When the error pop-up appears, click to highlight
Make sure you enter a With block through the With statement rather than jumping into it with a GoTo command. Verify Object Assignment If the error occurs in
Ensure the object hasn't been set to Nothing or destroyed before you try to access it.
Add a Set statement to link your variable to a real object (e.g., Set mySheet = Sheets("Sheet1") ).
In Visual Basic, standard variables (like numbers or text) use simple = signs, but (like Worksheets, Ranges, or Documents) require the Set keyword. Wrong: myRange = Range("A1") Right: Set myRange = Range("A1") 3. Check for Successful Finds VBA: Run time error '91'? - Stack Overflow