An item with the same key has already been added. Key: 00000000-0000-0000-0000-000000000000'

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Posted on by Mitr

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Hello Experts,

I am trying to upgrade from BC23 (23.9.21328.0) to BC24(24.4.22295.22925).

however when i do a navdataupgrade for System application I get below error:
'System Application' by 'Microsoft' from version '23.9.21328.0' to '24.4.22295.22925' for tenant 'default' and company 'BAKC' due to the
following error: 'An item with the same key has already been added. Key: 00000000-0000-0000-0000-000000000000'.

I have followed all the process , but got stuck here:
Start-NAVAppDataUpgrade -ServerInstance BC240 -Name "System Application" -Version 24.4.22295.22925 -SkipVersionCheck
Install-NAVApp -ServerInstance BC240 -Name "Business Foundation" -Version 24.4.22295.22925
Start-NAVAppDataUpgrade -ServerInstance BC240 -Name "Base Application" -Version 24.4.22295.22925 -SkipVersionCheck
Start-NAVAppDataUpgrade -ServerInstance BC240 -Name "Application" -Version 24.4.22295.22925 -SkipVersionCheck

Any idea how to fix it.
Thanks

Varun Tripathi

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CF-04101727-0 6 on at

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An item with the same key has already been added. Key: 00000000-0000-0000-0000-000000000000'

Hi Varun, I encountered the same error during a migration from NAV2016 to BC24.4

I solved the issue by populating the "Id" field via SQL in the "Company" table. It is sufficient to insert random GUIDs in this field

Regards

Claudio