Also see:
Dashboard Indicator and Server Status Page
Remote Gallery Health Report
Photo-Level Remote Status Signals
Status Color Signals
These are the four states that your project can be in.
Delays are due to communication errors or session token expiration. To correct this problem:
Go to the wrench menu>photo services and de-authorize your connected e-commerce platform.
Re-authorize your e-commerce platform.
You may have to Reset the photos and upload the photos again.