I'm getting "Object reference not set to an instance of an object" errors randomly on 3 different preceding rules in my K2 process. The odd thing is that there are no preceding rules set up for any of the activities that throw this error and these activities have been functioning without throwing an error for over a year. 1 of the activities remains unchanged since the start of our development project but has been in successful use for over a year.
Whilst testing this process it seems that I can occassionaly progress beyond the activity that generates the error until I reach the end of the process - but frequently I encounter one of these errors on 1 of 3 activities.
Any assistance would be very helpful since we are in the closing stages of development and K2 issues are holding up our ability to get the project into our UAT test environment.