Check_MK Werk 2548: Fixed exceptions in different places in case of user errors

ID: 2548 Title: Fixed exceptions in different places in case of user errors Component: Multisite Level: 1 Class: Bug Fix Version: 1.2.7i3 In different places, e.g. during login errors it could happen that exceptions like this occur: AttributeError: MKUserError instance has no attribute 'message' It seems that this occurance depends on the used Python version. Internal note: Never use e.message to get the text of an exception. Better directly put the exception into a string format: "%s" % e