Error saving a flow: "Shape [Wait] does not support outgoing connectors of type Action"

I am creating a flow which will attempt to resend an SMS message to a customer in the event of a failure to send, after an interval of 1 hour. This is a BRE flow with no user intervention required or wanted, I just want it to wait for an hour and then resend, up to a configurable number of times. I am running Pega 07-10 ML9

The new Pega-7 'Wait' shape would seem to be ideal for this purpose, but it is impossible to insert into my flow as it does not appear to allow a connector to come out of it!!! Please see screenshot below.

Has anyone seen this problem, and does anyone know of a hotfix for it? Thanks.


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