照着范例做,会报错(如下),无法运行,找不到原因,请大神们帮忙。 " p3 n* D2 @/ N) N3 J; c + A H8 ~6 o( _1 f9 w- |6 u9 I. D, A: I
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The shifcalender which is needed for planning purposes was not given.