Known Issue 461

Loss Grouping analysis may incur an error when grouping detailed loss analysis with 'by zone' in combination with other options.

Issue ID	461
Summary	Loss Grouping analysis may incur an error when grouping detailed loss analysis with 'by zone' in combination with other options.
Description	Loss Grouping analysis fails in some cases when detailed losses are 'saved by zone', 'save by' options are not included (location/portfolio), and loss grouping aggregated option is selected as 'Event Total'.
Resolved in	Future Verisk Synergy Studio release
Date posted	12/20/2025
Software versions affected	13.x
Feature set	Loss grouping
Models
Potential for loss numbers impact	No
Workaround