Adobe Journey Optimizer: placements in subject line do not load

Description

Environment
Adobe Journey Optimizer (AJO)

Issue/Symptoms
Placements are not loading in the drop-down within the Email Designer Subject Line Offer decisions. This occurs with any journey that contains an email action.

Resolution

Create or use an existing TEXT placement for the subject line. This should look something like:

{{{offer.text.xcore:offer-placement:id.xcore:offer-activity:id.content}}}

To check the content type for the placement and/or create a text placement, refer to Create placements on the Journey Optimizer Guide.

Cause
You cannot put HTML in the subject line, only text. Only offers for content type TEXT are displayed.

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