571 query / browse error #148
If dpuInfo == null then alternative method for dataUnitId calculation is used
Revert "If dpuInfo == null then alternative method for dataUnitId calculation is used"

This reverts commit af259a6a49d97dfa9812be2b538c7eae5b025f40.
Merge branch 'feature/571_Unexpected_error_Query_Browse' into develop