COBCH1721 <type-name> has no visible member <member-name> with no parameters

In the following example, there is no schedStatus method that does not take a parameter:

class-id schedCheck.
method-id main.
  display self::schedStatus
end method.

method-id schedStatus (t as string).
...
end method.
end class.

For more information on the visibility of members, see Access Modifiers.