Release Strategy in PR not triggered for different Purchase Groups.

Dear Experts,

For Purchase Requistion - Header Level Release Strategy has been defined with Purchase Group as one of the Characteristics(Characteristic Values are V1, V2, V3).

When PR is created for 30Line items with V1, V2 or V3 as Purchase groups independently- Release Strategy is triggered.

But when a combination of all 3 Purchase groups is used in the same PR for 30 Line items together. No Release Strategy is Triggered. All these 3 Purchase groups have been assigned for all strategies.

Thanks & Regards

Chandan H N