Known Issue 464

Loss grouping is producing incorrect results for analyses with treaties, saved by exposure attribute or exposure attribute and geo.

Issue ID	464
Summary	Loss grouping is producing incorrect results for analyses with treaties, saved by exposure attribute or exposure attribute and geo.
Description	When grouping multiple loss analyses with treaties, that are saved by exposure attribute or exposure attribute and geo, the resulting LOSS_ByTreatyExposureAttribute[Geo] table is incorrect. Other tables, like e.g. LOSS_ByExposureAttribute[Geo] are not affected.
Resolved in	Touchstone Hot Fix 13.2.1
Date posted	02/24/2026
Software versions affected	13.2, 13.1, 13.0, 12.2, 12.0, 11.5
Feature set	Loss grouping
Models
Potential for loss numbers impact	Yes
Workaround	Use LOSS_ByExposureAttribute[Geo] table [Gross-Net] to estimate the loss to treaties by exposure attribute and geo. Note that this will include all types of reinsurance losses.