Looks like no one faced this issue. We have raised a ticket with Adobe as well. But no solution.

Hello All,We were using regionalized offers using context hub/segmentation.Offers were created using experience fragments.We did a POC to integrate target on our AEM as cloud service instance. Once integration completed, context hub stopped working even in author environment.  We are not yet ready t...

Unfortunately, I could not work on this till now. 

Thanks everyone for your replies. I could not test this till now as I can not directly ask adobe /raise ticket to clear cache. I hope I should be able to get this done during this week and will update this ticket. 

HelloI am trying to follow the example for creating web channel experiencehttps://experienceleague.adobe.com/docs/journey-optimizer/using/web/create-web.html?lang=enTutorial talks about making changes in the web content using editor. And adding personalization to web page.I am able to make  these ch...