Getting error : A dropdown component [label="Is Under Header"] has an invalid value for "value". All selected values must be present in the choiceValues array, but value was

Question

Hi Everyone, 
 I 'm getting above error for the below code. 
 a!dropdownField( label: "Is Under Header", placeholder: "Select", /*required: ri!questions[ri!index].questionType<>cons!RIDCO_QUESTION_TYPES[11],*/ disabled: index( ri!questions[ri!index], "questionType", {} ) = cons!RIDCO_QUESTION_TYPES[11], choiceLabels: touniformstring(local!headerQuestions), choiceValues: touniformstring(local!headerQuestions), value : touniformstring(index(index(ri!tempQuestions,ri!index,""),"parentQuestionText",{})), 
 
 local!headerQuestions : returns list of text string

Shubham Aware · Accepted Answer

Error occurs because your valuefrom parentQuestionText doesn't exist in choiceValues from local!headerQuestions. Fix it by adding a contains() check: value: if(
 contains(
 touniformstring(local!headerQuestions),
 touniformstring(index(index(ri!tempQuestions,ri!index,""),"parentQuestionText",{}))
 ),
 touniformstring(index(index(ri!tempQuestions,ri!index,""),"parentQuestionText",{})),
 null
) This validates the value exists before setting it, otherwise uses null.

Stefan Helzle · Answer

This exact question is already discussed a thousand times here. I suggest to use the search function.

Harsha Sharma · Answer

srikanth said: index(index(ri!tempQuestions,ri!index,""),"parentQuestionText",{}) 
 The output of this expression should be present in the choiceValues and should be singular. So check the output and handle the values not present in choiceValues with null in the 'value' configuration.

Getting error : A dropdown component [label="Is Under Header"] has an invalid value for "value". All selected values must be present in the choiceValues array, but value was

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