WSUS DB PROblem

Hi Everyone, nice to meet you.
Please if anyone can help me with this issue, I had a onpremise server with windows server datacenter 2016 and because the policies of the company we had to upgraded to windows server datacenter 2019. I download the ISO upgrade the system and upgraded definition and update from microsoft and restart the server, so far all fine.
On this server I have SCCM running with the WSUS role for SCCM to a get the update from microsoft. the console of MECM start without problem, but WSUS get the message post-deployment configuration.

the instace of the data base is on a different server with SQL

this is the log of the error.

2021-12-22 15:38:22 Postinstall started
2021-12-22 15:38:22 Detected role services: Api, Database, UI, Services
2021-12-22 15:38:22 Start: LoadSettingsFromXml
2021-12-22 15:38:22 Start: GetConfigValue with filename=UpdateServices-Services.xml item=ContentLocal
2021-12-22 15:38:22 Value is true
2021-12-22 15:38:22 End: GetConfigValue
2021-12-22 15:38:22 Start: GetConfigValue with filename=UpdateServices-Services.xml item=ContentDirectory
2021-12-22 15:38:22 Value is C:\WSUS
2021-12-22 15:38:22 End: GetConfigValue
2021-12-22 15:38:22 Content directory is C:\WSUS
2021-12-22 15:38:22 Start: GetConfigValue with filename=UpdateServices-DB.xml item=InstanceName
2021-12-22 15:38:22 Value is fcdb2\wsus
2021-12-22 15:38:22 End: GetConfigValue
2021-12-22 15:38:22 SQL instance name is fcdb2\wsus
2021-12-22 15:38:22 End: LoadSettingsFromXml

2021-12-22 15:39:54 Changed database context to 'SUSDB'.
2021-12-22 15:39:54 Msg 3728, Level 16, State 1, Server fcdb2\wsus, Line 19
'Unique_DynamicCategory_Name_Type' is not a constraint.Msg 3727, Level 16, State 0, Server fcdb2\wsus, Line 19
Could not drop constraint. See previous errors.
2021-12-22 15:39:54 Re-Establishing Connection to execute Multi User Query ...
2021-12-22 15:39:54 Ensuring SUSDB is set to Multi-User Mode ...
2021-12-22 15:39:54 Disposing Connection
2021-12-22 15:39:54 Clearing Connection Pools
2021-12-22 15:39:54 Microsoft.UpdateServices.Administration.CommandException: Database creation failed
  at Microsoft.UpdateServices.Administration.ConfigureDB.CreateDatabase()
  at Microsoft.UpdateServices.Administration.ConfigureDB.Configure()
  at Microsoft.UpdateServices.Administration.ConfigureDB.Run(String instanceName, Action`1 logWriter, Boolean contentLocal)
  at Microsoft.UpdateServices.Administration.PostInstall.Run()
  at Microsoft.UpdateServices.Administration.PostInstall.Execute(String[] arguments)
Fatal Error: Database creation failed