Xcode 9 Log: "Month 13 is out of bounds"

I see this weird log when running my app from Xcode 9. I searched my project for for this text, it is not my log. Anyone know what it means?

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16.200 entries of " Month 13 is out of bounds " in less than 4hours ... are you kidding me

Hey Guys,


I get the same error messag too, and I am not doing anything with date and time... except I have one timer thread triggering itself every 1/50 of a second, but the "month 13" message comes on every minute or so, AND it tries to crash the app I am working on with the swirling rainbow circle of death. Yeesh!


This message is definitely a system based thing that has absolutely nothing to do with the code we are writing. There are so many executive functions going on in the background of osx that it is anyones guess what is really going on.


There is so much bulk in these OS's I wonder if Apple or anyone else would consider having some of it trimmed down in new or alternate nerd versions of their operating system? I would be their first customer!


Greetings Andreas :>)

Hi


I also saw this today,

I noticed that calling [NSApp activateIgnoringOtherApps:YES]; is logging this.


Today date 31 Dec 2017, maybe related.


marc