[Solved] Error on start in .Net 4.6

[vzlomvl]

Hello. Today I update my project to .Net 4.6 and get error on start game:

FormatException: String was not recognized as a valid DateTime.
System.DateTimeParse.Parse (System.String s, System.Globalization.DateTimeFormatInfo dtfi, System.Globalization.DateTimeStyles styles) (at /Users/builduser/buildslave/mono/build/mcs/class/referencesource/mscorlib/system/globalization/datetimeparse.cs:2282)
System.DateTime.Parse (System.String s) (at /Users/builduser/buildslave/mono/build/mcs/class/referencesource/mscorlib/system/datetime.cs:1024)
UnityEditor.Purchasing.PackageUpdater.CheckForUpdatePeriodically () (at <1834d5f64b6f4fa380999c12116160f9>:0)
UnityEditor.Purchasing.UnityIAPUpdater.CheckForUpdatePeriodically () (at <1834d5f64b6f4fa380999c12116160f9>:0)

OS: Windows 10. Unity 2017.1.1f1. Unity IAP 1.13.1

[vzlomvl]

I update Unity to 2017.1.1p2 and error disappeared.