Error Handling
Error Handling
Common Errors
Error: InvalidFileException
- Cause: File is not a valid .xlsx (possibly .xls)
- Solution: Convert to .xlsx or use xlrd for .xls files
Error: Circular reference
- Cause: Formula references itself
- Solution: Review formula logic and break the cycle
Error: #REF! in formulas
- Cause: Cell reference is invalid (deleted row/column)
- Solution: Use named ranges or validate references
Error: Memory issues with large files
- Cause: Loading entire file into memory
- Solution: Use
read_only=Trueorwrite_only=Truemode