We've got an email studio audience that we want to do a decision split on after sending an email (with a 7 day wait between). We're making the decision based on the entry DE, but whatever filter we create we get an Invalid Expression error.

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It turns out the error disappears if you save your journey.

  • I don't think saving the journey remove the error, it just ignore it. Can you activate the journey?
    – Bo Hu
    Dec 13 '17 at 22:40

I get this every time I edit the attribute group in data designer i.e unlink the DE referenced in the decision split. Have you checked there yet?

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