Err:509
When working with complex formulas in LibreOffice Calc, you may encounter the dreaded Err:509 . This error code is frustrating but relatively simple to diagnose. It almost always indicates a within a formula.
Sometimes, copying formula text from another application can introduce hidden, illegal characters. Re-typing the formula often resolves this. 4. Correct Function Structure Err:509
Two values or cell references are placed next to each other without an operator, such as =A1 B1 . When working with complex formulas in LibreOffice Calc,
Common Formula ERROR Codes 502, 509, or 522 in LibreOffice Calc Err:509
Moving a document from Excel to LibreOffice that uses functions unsupported or interpreted differently by Calc, such as some named expressions. How to Fix Error 509