System.err: at com.chartboost.sdk. 8.1.0

[itslonua]

W/System.err: at com.chartboost.sdk.Model.b.a(SourceFile:32)
W/System.err: at com.chartboost.sdk.impl.o.a(SourceFile:48)
W/System.err: at com.chartboost.sdk.impl.p0.a(SourceFile:73)
W/System.err: at com.chartboost.sdk.impl.p0.a(SourceFile:1)
W/System.err: at com.chartboost.sdk.Networking.l.run(SourceFile:4)