FRM-50016: Legal characters are 0-9 - + E .
Cause: You entered an unacceptable character in a number item.
Action: Enter a valid number. A valid number has digits 0 through 9. A number may be preceded by a plus (+) or minus (-) sign. If the message allows it, a number may contain one decimal point at any location, except before the sign. You can use an E to specify scientific notation.
Trigger: ON-ERROR