My backup failed last night. I can't decipher the log message. Can you help? Seems to be the Master DB.

essage

Executed as user: WINNTDOM\sqlserveragent. ...2100.60 for 32-bit Copyright (C) Microsoft Corporation. All rights reserved. Started: 4:00:00 AM Progress: 2013-05-09 04:00:10.36 Source: {40948405-70AB-443C-A4F9-54C9B71A0BAE} Executing query "DECLARE @GUID UNIQUEIDENTIFIER EXECUTE msdb..sp...".: 100% complete End Progress Progress: 2013-05-09 04:00:12.71 Source: Back Up Database (Transaction Log) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 25% complete End Progress Progress: 2013-05-09 04:00:12.71 Source: Back Up Database (Transaction Log) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 50% complete End Progress Progress: 2013-05-09 04:00:12.72 Source: Back Up Database (Transaction Log) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 75% complete End Progress Progress: 2013-05-09 04:00:12.73 Source: Back Up Database (Transaction Log) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 100% complete End Progress Progress: 2013-05-09 04:00:49.90 Source: Back Up Database (Transaction Log) Executing query "BACKUP LOG [CPASD] TO DISK = N'D:\Data\MSSQL.1\MS...".: 50% complete End Progress Progress: 2013-05-09 04:01:03.00 Source: Back Up Database (Transaction Log) Executing query "declare @backupSetId as int select @backupSetId =...".: 100% complete End Progress Progress: 2013-05-09 04:01:03.13 Source: Back Up Database (Transaction Log) Executing query "BACKUP LOG [AssetLending] TO DISK = N'D:\Data\MSS...".: 50% complete End Progress Progress: 2013-05-09 04:01:03.17 Source: Back Up Database (Transaction Log) Executing query "declare @backupSetId as int select @backupSetId =...".: 100% complete End Progress Progress: 2013-05-09 04:01:03.29 Source: Back Up Database (Transaction Log) Executing query "BACKUP LOG [Sharp] TO DISK = N'D:\Data\MSSQL.1\MS...".: 50% complete End Progress Progress: 2013-05-09 04:01:03.33 Source: Back Up Database (Transaction Log) Executing query "declare @backupSetId as int select @backupSetId =...".: 100% complete End Progress Progress: 2013-05-09 04:01:31.85 Source: Back Up Database (Transaction Log) Executing query "BACKUP LOG [CPAS] TO DISK = N'D:\Data\MSSQL.1\MSS...".: 50% complete End Progress Progress: 2013-05-09 04:01:43.48 Source: Back Up Database (Transaction Log) Executing query "declare @backupSetId as int select @backupSetId =...".: 100% complete End Progress Progress: 2013-05-09 04:01:43.60 Source: Back Up Database (Full) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 14% complete End Progress Progress: 2013-05-09 04:01:43.60 Source: Back Up Database (Full) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 28% complete End Progress Progress: 2013-05-09 04:01:43.60 Source: Back Up Database (Full) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 42% complete End Progress Progress: 2013-05-09 04:01:43.61 Source: Back Up Database (Full) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 57% complete End Progress Progress: 2013-05-09 04:01:43.61 Source: Back Up Database (Full) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 71% complete End Progress Progress: 2013-05-09 04:01:43.61 Source: Back Up Database (Full) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 85% complete End Progress Progress: 2013-05-09 04:01:43.61 Source: Back Up Database (Full) Executing query "EXECUTE master.dbo.xp_create_subdir N'D:\Data\MSSQ...".: 100% complete End Progress Progress: 2013-05-09 04:01:44.41 Source: Back Up Database (Full) Executing query "BACKUP DATABASE [master] TO DIS... The package execution fa... The step failed.