Sceptre Spirit not applied to Weapon Set 2 (Lock to All Weapon Sets)

Bug report reference number is 1.674.056.826.

Lord of Wilds node is allocated.

Weapon Set Skill Points: 24 available
None allocated (fully unspecced those for testing)
Unspent passive skill points: 21

Character attributes with No Gear:
Strength: 91
Dexterity: 22
Intelligence: 106

Item Requirements:
Talisman: 72 Strength, 51 Intelligence
Omen Sceptre: 32 Strength, 80 Intelligence

When equipping a Talisman + Sceptre and enabling “Lock to All Weapon Sets”, only the Talisman appears to apply its effects to Weapon Set 2. Sceptre is missing.

The Sceptre and the Spirit value from the Sceptre is not included for Weapon Set 2, even though it is applied correctly to Weapon Set 1.

The issue occurs consistently despite meeting attribute requirements and persists after respeccing, re-equipping items, and removing all gear.

Two screenshots are attached with Lock to All Weapon Sets enabled.
Weapon Set 1:
Sceptre active
Spirit correctly shown as 141

Weapon Set 2:
Sceptre not visible (only talisman)
Spirit reduced to 50

For both screenshots, all other gear and gems were removed to isolate the issue.

Thanks for the reply.