General::optrs

Details

  • This message is generated when the indicated expression does not have the form of an option.
  • A valid option is a rule in which the left-hand side is a symbol or string.
  • Off[message] switches off the message; On[message] switches it on. For example: Off[General::optrs].

Examples

Basic Examples  (1)

The second argument in Factor does not have the correct form to be an option:

This shows a valid option specification in Factor: