@HJetti  Hi , where you able resolve the above issue ? I had a similar issue in my project , were prod logs was filled with the above error message , Originating from review harness Dynamic layout group sourced with a Data Page , to which i was passing Top.pzInsKey as parameter (for the data page), I still don't understand why application throws that error message but what I figured out a resolution > instead of passing pzInskey as parameter to datapage , i used Param.pyRecordKey that is available by default at runtime , so no passing param to datapage and no log errors 

Let me know if anyone faced the same issue and your analysis