The issue is because if fingerprintshidden isn't null it'll try to add a list to a string, resulting in a runtime:

[IT'S NOT LOOSE]
Still a thing?
i'd assume yes
I can't seem to be able to reproduce this
Nah definitely still happens.
Only happens when you use a singulo though, and the touching needs to be multitool menu.
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[IT'S NOT LOOSE]