Transaction was deadlocked

When trying to delete backups in Veeam console, the following error occurs:
Failed to execute stored procedure, Name:[[Backup.Model.DeleteOIB]], Params: [@id=db4fc35a-aecb-43cb-87d0-b9260825e7c5]. Transaction (Process ID xx) was deadlocked on lock | generic waitable object resources with another process and has been chosen as the deadlock victim. Rerun the transaction.

The following entry can be seen in the VeeamShell log file:

[timestamp]  <32> Error    Failed to execute stored procedure. Name: [[Backup.Model.DeleteOIB]], Params: [@id = db4fc35a-aecb-43cb-87d0-b9260825e7c5].

[timestamp]  <01> Error    Failed to execute stored procedure. Name: [[Backup.Model.DeleteOIB]], Params: [@id = db4fc35a-aecb-43cb-87d0-b9260825e7c5].   at Veeam.Backup.Common.CBackgroundFunctionRunner.Run(Function function, Form splashForm)

[timestamp]  <01> Error       at Veeam.Backup.Common.CBackgroundFunctionRunner.Run(Function function, String message)

[timestamp]  <01> Error       at Veeam.Backup.UI.CBackupsDeletion.DeleteBackupFromDisk(CBackup backup)

[timestamp]  <01> Error       at Veeam.Backup.UI.BackupDeleteCommand.Execute()

[timestamp]  <01> Error    Transaction (Process ID xx) was deadlocked on lock | generic waitable object resources with another process and has been chosen as the deadlock victim. Rerun the transaction.   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)

[timestamp]  <01> Error       at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)

[timestamp]  <01> Error       at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)

[timestamp]  <01> Error       at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)

[timestamp]  <01> Error       at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)

[timestamp]  <01> Error       at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)

[timestamp] <01> Error       at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)

[timestamp]  <01> Error       at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()

[timestamp] <01> Error       at Veeam.Backup.DBManager.CDbAccessor.ExecNonQuery(String spName, SqlParameter[] spParams)