I have created one custom activity in Marketing Cloud I am getting below errors , please guide me how to resolve this.This error is due to Web server hosting.enter image description here

  • I would open dev tools and go to the network tab and review the URL that is throwing an error
    – EazyE
    Dec 3 '20 at 15:28

please start by going through the troubleshooting guide by salesforce: https://developer.salesforce.com/docs/atlas.en-us.noversion.mc-app-development.meta/mc-app-development/troubleshoot-custom-activities.htm

Furthermore, please explain what you already tried to solve this issue. My first guess would be that your Endpoint URL doesnt start with https.

  • So i have create one package in Marketing cloud then one component i.e. custome activity
    – Gudu
    Dec 3 '20 at 11:33
  • And does the link to your web server have a ssl cert?
    – DonL
    Dec 3 '20 at 13:57
  • no ..i have not can u please tell me which tool do i use for ths and how to do it ?
    – Gudu
    Dec 4 '20 at 5:29
  • okay this is getting off topic more and more. please inform yourself about how you get a ssl cert for your server. and please go through the trouble shooting list. SSL is first on the list.
    – DonL
    Dec 7 '20 at 14:09

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