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After upgrading to Sitecore 9.3 getting below error in Experience Editor:-

sitecore Method not found: 'Void Sitecore.Pipelines.GetChromeData.GetChromeDataProcessor

We are using Glass Mapper

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    Do a beyond compare to a vanilla bin/config vs yours. It sounds like your deployment pushed some older stuff back into the site.
    – Chris Auer
    Dec 11 '19 at 14:18
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    Or removed obsolete code is used, see crosspost community.sitecore.net/developers/f/5/t/10802 the constructor public GetChromeDataProcessor() is removed in Sitecore 9.3 Dec 11 '19 at 14:49
  • Which version of Glassmapper are you using? A compatible version has not been released yet, it is still in beta.
    – jammykam
    Dec 12 '19 at 0:30
  • I'm also facing similar issue. But In my case, I installed new Sitecore 9.3 instance and Horizon 9.3. sitecore.stackexchange.com/questions/23429/…
    – venkat
    Dec 12 '19 at 6:22
  • @Deve, I tested with vanilla version of Sitecore 9.3 with Glass Mapper Glass.Mapper.Sc.92 (5.5.28) version. I am facing similar issue while testing with Horizon which is similar as Experience Editor. Then I removed glass mapper then it is working fine.
    – venkat
    Dec 12 '19 at 7:18
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Sitecore.Pipelines.GetChromeData.GetChromeDataProcessor abstract class is available in 9.3 and in higher and lower versions as well.

But some methods were deprecated in lower versions and were removed in higher versions.

Usually, such methods and classes are marked as Obsolete with suggestions on what to use instead, you'll be able to see such warnings during the build. But if you're jumping a few major versions ahead you might lose these suggestions and you'll see a compilation error.

But if you didn't get this issue during solution build (and got this in runtime) means that you most likely forgot to update references to Sitecore assemblies/NuGet packages to the newer 9.3 version in your solution.

Note, that all 3d party modules/assemblies/packages should be compatible with the 9.3 version as well to avoid such situations.

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I have faced similar issue while testing with vanilla version of Sitecore 9.3 with "Glass.Mapper.Sc.93 -Version 5.6.157-alpha" version. I received below reply from Mike Edwards regarding this issue. Now Experience editor is working fine for me.

enter image description here

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  • that still breaks for me. it only works if I remove the whole 'processor' line Jan 10 '20 at 16:51

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