I don't understand why I have to do this.

It's a workaround for a different problem. (You don't use eval EXPR.) I had to guess, since you didn't give me anything but the message to work on.

In reply to Re^7: panic: attempt to copy freed scalar a7b9650 to ad20598 by ikegami
in thread panic: attempt to copy freed scalar a7b9650 to ad20598 by mje

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