We've started having issues with our preview instance. We are on the latest build - 1.25.1014.0.  Came back to use it this afternoon and it had stopped working.  

https://kcl.crm4.dynamics.com/main.aspx#818202026

On segments, click check for error:

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  The marketing configuration was not found.

  
  


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On marketing email/Customer journey

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