In QlikView May 2021 an intentional change was introduced in the use of the weekname () function to respect local parameters such as FirstWeekDay, BrokenWeeks and ReferenceDay.
Environment
#QlikView
Resolution
By updating the "SET BrokenWeeks=1;" to "SET BrokenWeeks=0;" in the script, as shown in ( Fig.1 ) ;
as per " ISO-8601 " (the International Organization for Standardization) , for instance, the following
date: 1/1/2022 should correspond to the 52nd week of the year 2021 .