Synchornization service has returned an error

Hi

Suddeenly i got the next error: The transaction log for database 'ActiveRoles744_SyncServices' is full due to 'LOG_BACKUP'.

2021-08-24 08:43:44.5429 3 Debug --> } ActiveRoles.SyncService.Server.Execution.ExecutionControllerBase`2.StartRun

2021-08-24 08:43:44.5429 3 Debug --> Start workflow failed! ActiveRoles.SyncService.Server.Execution.ExecutionManager.StartWorkflow System.Data.SqlClient.SqlException (0x80131904): The transaction log for database 'ActiveRoles744_SyncServices_DEV' is full due to 'LOG_BACKUP'.

   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)

   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)

   at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler,