Err:509 Page

Ensure that functions are not missing necessary operators between them. =SUM(A1:A5)AVERAGE(B1:B5) Right: =SUM(A1:A5)+AVERAGE(B1:B5)

A slight misspelling or misplaced operator inside complex formulas. Err:509

Two values or cell references are placed next to each other without an operator, such as =A1 B1 . Ensure that functions are not missing necessary operators