One Identity Manager 9.0 Cumulative Update 1 Error

Hello,

Im currently getting this error when executing the Cumulative Update 1 for OIM 9.0 LTS (support.oneidentity.com/.../one-identity-manager-9-0-cumulative-update-1) :

This is the error message inside the logfile:

2023-02-07 11:08:09.4646 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	ClaimConnectionAsync: Releasing lock on connection 1 
2023-02-07 11:08:09.4646 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	Decremented pin count to 0 
2023-02-07 11:08:09.4646 DEBUG (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	(3 ms) - Pinned physical connection 
2023-02-07 11:08:09.4646 TRACE (SqlLog ) : -- Connection 1 switched from Working to Available 
2023-02-07 11:08:09.4646 INFO (Transport ) : Wait 10s for database processor. 
2023-02-07 11:08:18.8983 TRACE (SqlLog Database Session GC) : Cleanup physical connection pool 
2023-02-07 11:08:18.8983 TRACE (SqlLog Database Session GC) : 	0 connections disposed. 
2023-02-07 11:08:18.8983 TRACE (SqlLog Database Session GC) : 	Available = 1 
2023-02-07 11:08:18.8983 TRACE (SqlLog Database Session GC) : 	Reusable = 1 
2023-02-07 11:08:19.4825 TRACE (SqlLog ) : -- Connection 1 switched from Available to Working after comparison 
2023-02-07 11:08:19.4825 TRACE (SqlLog ) : --> existing connection 1 
2023-02-07 11:08:19.4825 DEBUG (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	(< 1 ms) - Pin DbSession to physical connection 
2023-02-07 11:08:19.4825 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	Incremented pin count to 1 
2023-02-07 11:08:19.4825 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	ClaimConnectionAsync - read write, _transaction == 60912231 
2023-02-07 11:08:19.4825 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	ClaimConnectionAsync: Lock aquired on connection 1 
2023-02-07 11:08:19.4825 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	ClaimConnectionAsync: Use the transaction 
2023-02-07 11:08:19.4825 DEBUG (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	Setting DB context data to: user = One Identity Manager, id = 6c422f3e-7e0b-4ab5-8333-be390e83670d, level = 0 
2023-02-07 11:08:19.4825 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	ClaimConnectionAsync: Releasing lock on connection 1 
2023-02-07 11:08:19.4825 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	ClaimConnectionAsync - read write, _transaction == 60912231 
2023-02-07 11:08:19.4825 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	ClaimConnectionAsync: Lock aquired on connection 1 
2023-02-07 11:08:19.4825 TRACE (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	ClaimConnectionAsync: Use the transaction 
2023-02-07 11:08:19.4825 DEBUG (SqlLog 3fc9ff0c-3468-4ce3-a11c-da5d175d8b12) : 	(1 ms) - declare @notReady int
exec @notReady = QBM_PMigrationNotReadyForComp
select @notReady 

There are also no blocking transactions which could cause this error.

So which reason could this have?

Thank you very much!