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2907618 - Unable to use chat functions in C4C embedded with SAP Contact Center widget (Communication Panel or Agent.html)


  • SAP Contact Center is integrated with C4C via ECF/Widget (Communication Panel)
  • Issue can also happen while using any of the other example ECF applications like Agent.html embedded into C4C
  • Chat interface is not opening for agents/users
  • The issue only happens when using the latest Chrome browser
  • While debugging the console log in chrome (F12), you will notice similar errors
    • sap-ui-core.js:90 Failed to load resource: the server responded with a status of 404 ()
    • agents.html:1 A cookie associated with a cross-site resource at https://YOURSITEURL/ was set without the `SameSite` attribute.
    • It has been blocked, as Chrome now only delivers cookies with cross-site requests if they are set with `SameSite=None` and `Secure`.
    • You can review cookies in developer tools under Application>Storage>Cookies and see more details at and
    • .../visitor/ecfs/ws_endpoint/' failed: Error during WebSocket handshake: Unexpected response code: 302



  • SAP Contact Center 7.0
  • SAP Contact Center 365
  • Hybris Cloud for Customer


SAP Cloud for Customer core applications 1908 ; SAP Cloud for Customer core applications 2002 ; SAP Contact Center 365 1.0 ; SAP Contact Center, on-premise edition 7.0


CCtr, SCC, CCI, CRM-CCI, SAP Business Communication Management 7, Contact Center, Telephony, e-mail, Chat, Communications, blocking, iframe, cookies, , KBA , CRM-CCI , Contact Center Infrastructure , LOD-CRM-LA , Live Activity , Problem

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