The input to Do Action cannot be any of the following:
● A syntactically invalid action expression.
For example, the expression “i=5” and “st(A)”. These are a condition and an event, respectively.
● An action which is semantically incorrect since it uses an element contrary to its type.
For example, if d then A end if, whered
is defined as a data-item and not as a condition.
● An action that refers to an item defined in your WorkArea but not uniquely identified.
For example, the inputj:=5
wherej
is defined as a data-item in a number of different charts. You must specify which chart is being referenced.
● An action that refers to an element not belonging to your WorkArea.
For example, the inputi:=5
wherei
is neither defined nor referenced in the charts in your WorkArea.