Quiz send sometime duplicate interaction scorm 2004 of one question


We have a quiz with 40 questions and sometime because of slow connection, user click twice on validate button (we suppose) and the quiz record 2 similar answer for one question.

The problem is double :

At the end of quiz : score calculation is wrong (for example : instead of 40 it is 41 question)

In the lms : scorm interaction is recorded twice => hopefully because it's the only way to discover the problem and to change global score.

Is there a possibility to avoid such problem ?

Quiz is in SCORM 2004

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