Crash when adding Spirit

[Nedorus]

Environment

Chummer Version: 5.202.31
Environment: (Operating system here. If it persists over multiple OS's list them all)
Runtime: (If you don't know this, it is probably .NET 4.5.1)

Expected behaviour

Spirit can be added with crash occuring

Actual behaviour

Crash occurs when adding a spirit to a magician

Steps to reproduce the behaviour

1. Create new Character
2. Add Magician Quality
3. Raise MAG Attribute
4. Add Skill for conjuring
5. Add spirit on "Spells & Spirits" tab

Link to affected character file

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