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Unable to load /EPiServer/shell/Stores/metadata/EP…22contentLink%22%3A%221116_2581%22%7D status: 500



I am getting following exception when I try to edit the page in CMS

This exception started after I upgraded CMS from 12.18.0 to 12.20.0. Is this a bug or do I need to do any changes for migration according to latest version.

Thank You

Jun 12, 2023 8:29

Hi Sandeep,

I would reach out to Optimizely support on this one.

Are you seeing the 'MissingMethodException' in you logs? 

It looks as though it can't find 'AddSetting' from the tinymce although I can see on the documentation that it should be there.

Might be good to clear out bin folders and stuff just incase.


Jun 12, 2023 8:39

if you open that link, you can get a better exception message - what is it? 

Jun 12, 2023 13:32

I upgraded few days back from 12.15.x to 12.20.x its working fine for me, try to re-install 12.20.x again and then check.

Here is the version details in my soln:

Jun 19, 2023 4:20
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