unit testing - why WCF scenario test generation wizard throw that error?what kind or log file i should use? -

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i'm creating wcf test , when wcf scenario test generation wizard comes there option create scenario called :"capture message log" when give wcf trace file throws error: messages.svclog not valid message log file

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the wcf trace file seems not closed :

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when open the wcf trace file appears next window:

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but know how can close file? , have do?


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