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Modern UI 25R2: Facing while converting custom screen to Modern UI

  • September 3, 2025
  • 3 replies
  • 462 views

Issue Description :-
When converting custom screens to the Modern UI, we encounter the following error:
Error: The view doesn’t exist.

This happens specifically of the custom screens when clicking the Convert to Modern UI action, the system shows the error.
 

Expected Behavior :-
Instead of the error, we should be able to download the Modern UI file that corresponds to the respective custom screen.

 

 

Thank you in Advance

Best answer by Ed Goodman

@saikrishnac40 

Good afternoon.

Check the converter settings in the web.config file and make sure they are correctly configured. Key attributes to check include shouldFilesBeDownloaded and declareViewsInViewModelFile.

https://help.acumatica.com/(W(12))/Help?ScreenId=ShowWiki&pageid=f2bc25a1-e320-438c-baab-91c13236896a

Hope this helps.

Ed

3 replies

Ed Goodman
Acumatica Employee
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  • Acumatica Employee
  • Answer
  • September 23, 2025

@saikrishnac40 

Good afternoon.

Check the converter settings in the web.config file and make sure they are correctly configured. Key attributes to check include shouldFilesBeDownloaded and declareViewsInViewModelFile.

https://help.acumatica.com/(W(12))/Help?ScreenId=ShowWiki&pageid=f2bc25a1-e320-438c-baab-91c13236896a

Hope this helps.

Ed


Al Krieg
Freshman I
  • Freshman I
  • July 6, 2026

Experiencing this same issue on 26R1 and have updated the web.config but still getting the View Error- Error: The view  doesn't exist. Any more advice as to how to upgrade my Custom Screens? I manually created the folder Development and the sub folders also. ( FrontendSources\screen\src\development\screens\my folder\my folder)


Dipak Nilkanth
Pro III
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Hi ​@Al Krieg,

Have you converted your custom screen using the Convert to Modern UI action in the Customization Project Editor after adding the data views to your graph?

After running Convert to Modern UI, please check the generated .ts file for your custom screen and verify that all the data views declared in your graph have been added correctly. If any of the views are missing from the .ts file, that could be the cause of the issue.