W/d.fluttershare(25277): Accessing hidden method Lsun/misc/Unsafe;->putObject(Ljava/lang/Object;JLjava/lang/Object;)V (greylist, linking, allowed)

Question

I am trying to print data from the database and it prints just fine in the console but I got this error with it and i don\'t know what is the error to try solve it And the app