2026r1 convert to modern UI error"No container found for view ConnectedVendors in the Screen Schema for screen."

Question

I try to migrate my old customization project to modern UI in 2026r1.

At first, I wanted to convert the entire project directly, but it failed with the following error:No container found for view ConnectedVendors in the Screen Schema for screen. Probably for the HTML element 'QP-GRID' with the Id 'gridConnectedVendors' provided View Name is not declared in the TypeScript ViewModel.

Then I tried to convert each page separately. Some of them succeeded and some failed. And I found that the above error comes from the “Vendors” page.

Then a similar “Customers” page also has a similar error:

No container found for view CustomerBillingCycles in the Screen Schema for screen. Probably for the HTML element 'QP-GRID' with the Id 'gridBillingCycles' provided View Name is not declared in the TypeScript ViewModel.

Judging from the names, these errors are all related to native fields, not the custom fields I added. How should this be solved?

Best answer by ray20

looks like Acumatica is still having some issues with its Modern UI, below is the workaround:

Workaround for customizing Vendor screen (AP303000) Issue in 25R2 Modern UI Editor | Community

ray20 · Accepted Answer

looks like Acumatica is still having some issues with its Modern UI, below is the workaround:Workaround for customizing Vendor screen (AP303000) Issue in 25R2 Modern UI Editor | Community

RohitRattan88 · Answer

​@ray20My suspicion is that one or more screen related features are disabled. Per documentationUpdating a Customization Project for the Modern UI: Customization Project ConverterAll Acumatica ERP features related to the form have been enabled before the conversion. This gives you the converted version that’s the most similar to the original version.Hope this helps

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