Error during upgrade to NAV 2013 R2

TimoBoTimoBo Member Posts: 31
edited 2013-12-06 in NAV Three Tier
During the upgrade from NAV 2013 to NAV 2013 R2 an error occurs when trying to open the Windows Client to perform Upgrade Step 2.
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Microsoft Dynamics NAV Development Environment
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The following SQL error was unexpected.

Cannot drop the index 'dbo.CRONUS Ltd_$Vendor Ledger Entry.$15', because it does not exist or you do not have permission.

Caution: Changing any part of an object name could break scripts and stored procedures.

Caution: Changing any part of an object name could break scripts and stored procedures.

Caution: Changing any part of an object name could break scripts and stored procedures.

The database is installed locally on a SQL 2008 R2 instance. The NAV Service runs on the Network Service user which is sysadmin. My Windows user is also sysadmin. I have restarted the service. The license has been upgraded to a 2013 R2 development license. I have followed all upgrade steps as described on MSDN.

I noticed that an other user also mentioned this problem in this topic: viewtopic.php?f=32&t=59261&start=30 but nobody responded.

Any advice would be appreciated.

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