How do you program an input validation on a selection screen that allows users to correct their input?

Question

Options

• AImplement the check at the event AT SELECTION-SCREEN OUTPUT. In case of an input error, a type E
• BImplement a check at the event AT SELECTION-SCREEN. In case of an input error, a type E MESSAGE
• CImplement the check at the event END-OF-SELECTION. In case of an input error, a type E MESSAGE must
• DImplement the check at the event AT SELECTION-SCREEN. In case of an input error, a type A MESSAGE

• A
  6% (1)
• B
  88% (14)
• D
  6% (1)

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