"Set custom data value" crashes the editor

As soon as I link up a “Set custom data value” the editor crashes when trying to compile the blueprint. The target Instanced Static Mesh Component is valid and has the “Custom Primitive Data Defaults” set.

Crash dump:

You need to set the number of custom data floats under the instance pannel of your instanced static mesh. If the number is too low, the editor will crash.

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