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Couldn't get sale statistics #7

Open

XiaoPangxie732 opened this issue Feb 8, 2019 · 1 comment

XiaoPangxie732 commented Feb 8, 2019

When I run getSaleStatistics(); method,it throws java.lang.NumberFormatException: null

Owner

SparklingComet commented Feb 17, 2019

I apologise for the late reponse. I am going to check what is wrong.

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