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  1. 2020年3月16日 06:05
    Hi Seela, 

     

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    These errors are usually caused by crashes when Trailhead tries to verify your challenge. These, in turn, are usually a result of old code from different challenges you did. 

     

    The best approach is to just try doing this challenge on a different playground. If you're trying to complete a suoerbadge, always use a new org when starting it. 
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