When trying to deploy a newly generated JSS App to the new Sitecore server, I'm receiving the following error:

Unexpected error processing reply from import status service:
TypeError: Cannot read property 'forEach' of undefined TypeError:
Cannot read property 'forEach' of undefined

This question has been posted before, [Unexpected error processing reply from import status service], but none of the answers resolved the problem:

  • I've generated new apps with and without the --branch release/19.0.0
  • I've uninstalled the Sitecore-JSS-CLI node module and reinstalled to get the latest version 19.0.2
  • Double-checked settings in scjssconfig.json and \sitecore\config\app-name.config.

Current Version Information

Sitecore version: Sitecore.NET 10.2.0 (rev. 006766)  
jss --version: 19.02 

I've added a console.log statement to package-deploy.js to give me more information about the error from the import service on the Sitecore server:

>Job started: JSSImport-sbxa-test-i-4:57:17 PM,#Exception: 
System.Reflection.TargetInvocationException: Exception has been thrown 
by the target of an invocation. ---> System.IO.FileNotFoundException: 
Could not load file or assembly 'Sitecore.***Zip***, Version=, 
Culture=neutral, PublicKeyToken=null' or one of its dependencies. The 
system cannot find the file specified.  
at Sitecore.JavaScriptServices.AppServices.ImportService.ImportJob.StartImportInternal()  
   --- End of inner exception stack trace ---

I find it curious that the JSS import service is trying to reference an assembly contained in a .Zip file.

I can't find anything in the Sitecore logs, nor am I sure which log to review for JSS import errors.

2 Answers 2


Had a similar issue, it’s a version mismatch, fixed this on our end by creating an app in a compatible JSS version. In this case, ours is 9.3, so we created the matching JSS version i.e 13.0.0

jss create my-first-jss-app react -b release/13.0.0

It's a version mismatch issue, I face same issue with Sitecore 10.2 version, checked if you have installed correct version with Sitecore 10.2 then it will start working


I installed above version to make it working. if not then installed older version and installed compatible version with 10.2

hope it will help you.

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