@高松 洋平 , After translating your question in English, I understand that " I can't connect to my profile, and I can't cancel or change the exam. The order number is 0066-2383-5455. "
Thank you for asking this question on the Microsoft Q&A Platform. Microsoft Certification/ Exams is currently not supported in the Q&A forums. Microsoft Certification Program is supported on their own forums. To receive insights from the targetted audience on Certification related questions, I would suggest you to just re-post the question here- https://trainingsupport.microsoft.com/en-us See - Microsoft Certification help
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