Lancing Steel damage calculation error

[Balline]

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• I'm running the latest version of Path of Building and I've verified this by checking the changelog

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• I've checked for duplicate open and closed issues by using the search function of the issue tracker

What platform are you running Path of Building on?

Windows

How is Path of Building expected to behave?

Damage calculation for Lancing Steel should not display errors.

How does Path of Building behave?

Lancing Steel displays a red "nan" output for damage calculations when setting the Skill Part to "All Projectiles Hit."
Same issue occurs for Lancing Steel of Spraying.

How to reproduce the issue

1. Equip any sword.
2. Add Lancing Steel.
3. Switch Skill Part from "Single Projectile Hit" to "All Projectiles Hit."

PoB for PoE1 build code

https://pobb.in/T9NePz1hNi07

Screenshots