Error adding modifier to a item

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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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What platform are you running Path of Building on?

Windows

How is Path of Building expected to behave?

How does Path of Building behave?

Error

How to reproduce the issue

Importing this ring and clicking Add modifier brings up error

Item Class: Rings
Rarity: Rare
Spirit Coil
Cogwork Ring
--------
Quality (Attribute Modifiers): +20% (augmented)
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Requirements:
Level: 65
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Item Level: 86
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{ Implicit Modifier }
-1 Prefix Modifier allowed (implicit)
+1 Suffix Modifier allowed (implicit)
Implicit Modifiers Cannot Be Changed — Unscalable Value (implicit)
25% increased Suffix Modifier magnitudes — Unscalable Value (implicit)
--------
{ Prefix Modifier "Rotund" (Tier: 2) — Life }
+95(85-99) to maximum Life
{ Suffix Modifier "of the Essence" — Attribute  — 45% Increased }
+55(51-58) to Strength
{ Suffix Modifier "of Fleshbinding" (Tier: 1) — Life  — 25% Increased }
15(13-15)% of Damage taken Recouped as Life
(Only Damage from Hits can be Recouped, over 4 seconds following the Hit)
{ Suffix Modifier "of the Rainbow" (Tier: 1) — Elemental, Resistance  — 25% Increased }
+16(15-16)% to all Elemental Resistances
{ Suffix Modifier "of Bameth" (Tier: 1) — Chaos, Resistance  — 25% Increased }
+35(31-35)% to Chaos Resistance
--------
Split

PoB for PoE1 build code

https://pobb.in/jdrnVwANWJpN

Screenshots

[Nightblade]

Where did you import the ring from? If you have Alt pressed with Ctrl+c you get an "Advanced tooltip" which is not supported by PoB.