Original Issue

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I made the macro manually and it worked fine, it just refused to make this macro from Collapse:

https://gfycat.com/briefwhirlwindbactrian

The error given in console:

{code:java}
ArgumentException: An item with the same key has already been added. Key: ValueOutput#result
System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) (at <437ba245d8404784b9fbab9b439ac908>:0)
{code}