UnsupportedFormat fatal assertion in wiredTiger following

2015-01-19T09:49:29.220-0600 I CONTROL  Trying to start Windows service 'MongoDB'

2015-01-19T09:49:29.223-0600 I STORAGE  Service running

2015-01-19T09:49:29.224-0600 I CONTROL  [initandlisten] MongoDB starting : pid=10432 port=27017 dbpath=C:\MongoDB\data\wiredTiger 64-bit host=pre-web01

2015-01-19T09:49:29.224-0600 I CONTROL  [initandlisten] targetMinOS: Windows 7/Windows Server 2008 R2

2015-01-19T09:49:29.224-0600 I CONTROL  [initandlisten] db version v2.8.0-rc5

2015-01-19T09:49:29.225-0600 I CONTROL  [initandlisten] git version: 74b351de21c84438b12a83b28e155f5e69e3c1eb

2015-01-19T09:49:29.225-0600 I CONTROL  [initandlisten] build info: windows sys.getwindowsversion(major=6, minor=1, build=7601, platform=2, service_pack='Service Pack 1') BOOST_LIB_VERSION=1_49

2015-01-19T09:49:29.226-0600 I CONTROL  [initandlisten] allocator: system

2015-01-19T09:49:29.226-0600 I CONTROL  [initandlisten] options: { config: "C:\MongoDB\mongo28.yaml", net: { http: { enabled: true }, maxIncomingConnections: 4096, port: 27017 }, operationProfiling: { mode: "slowOp", slowOpThresholdMs: 50 }, replication: { oplogSizeMB: 8 }, security: { authorization: "disabled" }, service: true, storage: { dbPath: "C:\MongoDB\data\wiredTiger", directoryPerDB: true, engine: "wiredTiger", journal: { enabled: true }, wiredTiger: { collectionConfig: { blockCompressor: "snappy" }, engineConfig: { cacheSizeGB: 4, directoryForIndexes: true, journalCompressor: "snappy", statisticsLogDelaySecs: 600 }, indexConfig: { prefixCompression: true } } }, systemLog: { destination: "file", logAppend: false, path: "C:\MongoDB\log\mongodb2.log", verbosity: 0 } }

2015-01-19T09:49:29.227-0600 W -        [initandlisten] Detected unclean shutdown - C:\MongoDB\data\wiredTiger\mongod.lock is not empty.

2015-01-19T09:49:29.228-0600 W STORAGE  [initandlisten] Recovering data from the last clean checkpoint.

2015-01-19T09:49:29.228-0600 I STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=4G,session_max=20000,eviction=(threads_max=4),statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=600),

2015-01-19T09:49:34.306-0600 I -        [initandlisten] Fatal assertion 28579 UnsupportedFormat Application metadata for table:SomeDatabase/index/3192--6589984641143232768 has unsupported format version 1

2015-01-19T09:49:34.306-0600 I -        [initandlisten] 

***aborting after fassert() failure

2015-01-16T13:29:56.390-0600 I CONTROL  [serviceShutdown] got SERVICE_CONTROL_STOP request from Windows Service Control Manager, will terminate after current cmd ends

2015-01-16T13:29:56.395-0600 I COMMAND  [serviceShutdown] now exiting

2015-01-16T13:29:56.396-0600 I NETWORK  [serviceShutdown] shutdown: going to close listening sockets...

2015-01-16T13:29:56.396-0600 I NETWORK  [serviceShutdown] closing listening socket: 312

2015-01-16T13:29:56.396-0600 I NETWORK  [serviceShutdown] closing listening socket: 9120

2015-01-16T13:29:56.396-0600 I NETWORK  [serviceShutdown] shutdown: going to flush diaglog...

2015-01-16T13:29:56.396-0600 I NETWORK  [serviceShutdown] shutdown: going to close sockets...

2015-01-16T13:29:56.397-0600 I NETWORK  [conn24] end connection 127.0.0.1:1481 (7 connections now open)

2015-01-16T13:29:56.398-0600 I NETWORK  [conn33] end connection 127.0.0.1:1571 (7 connections now open)

2015-01-16T13:29:56.398-0600 I NETWORK  [conn32] end connection 127.0.0.1:1561 (7 connections now open)

2015-01-16T13:29:56.399-0600 I NETWORK  [conn36] end connection 127.0.0.1:1634 (7 connections now open)

2015-01-16T13:29:56.400-0600 I NETWORK  [conn37] end connection 127.0.0.1:1650 (7 connections now open)

2015-01-16T13:29:56.401-0600 I NETWORK  [conn35] end connection 127.0.0.1:1633 (7 connections now open)

2015-01-16T13:29:56.402-0600 I NETWORK  [conn34] end connection 127.0.0.1:1632 (7 connections now open)

2015-01-16T13:29:56.403-0600 I NETWORK  [conn31] end connection 127.0.0.1:1545 (7 connections now open)

2015-01-16T13:29:56.404-0600 I STORAGE  [serviceShutdown] WiredTigerKVEngine shutting down

2015-01-16T13:29:57.025-0600 I COMMAND  [serviceShutdown] dbexit:  rc: 49

2015-01-16T13:29:57.025-0600 I -        [serviceShutdown] Invariant failure _requests.empty() src\mongo\db\concurrency\lock_state.cpp 144

2015-01-16T13:30:06.427-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\util\stacktrace_win.cpp(175)        mongo::printStackTrace+0x43

2015-01-16T13:30:06.427-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\util\log.cpp(136)                   mongo::logContext+0x8f

2015-01-16T13:30:06.427-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\util\assert_util.cpp(146)           mongo::invariantFailed+0xfb

2015-01-16T13:30:06.427-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\db\concurrency\lock_state.cpp(144)  mongo::LockerImpl<0>::assertEmpty+0x79

2015-01-16T13:30:06.427-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\db\concurrency\lock_state.cpp(225)  mongo::LockerImpl<0>::~LockerImpl<0>+0x2a

2015-01-16T13:30:06.427-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\db\instance.cpp(1141)               mongo::exitCleanly+0x15a

2015-01-16T13:30:06.427-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\util\ntservice.cpp(552)             mongo::ntservice::serviceShutdown+0xe6

2015-01-16T13:30:06.427-0600 I CONTROL  [serviceShutdown] sechost.dll                                                     CredProfileUnloaded+0xaa8

2015-01-16T13:30:06.428-0600 I CONTROL  [serviceShutdown] sechost.dll                                                     StartServiceCtrlDispatcherW+0x59

2015-01-16T13:30:06.428-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\util\ntservice.cpp(575)             mongo::ntservice::startService+0xf0

2015-01-16T13:30:06.428-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\db\db.cpp(864)                      mongoDbMain+0x1ed

2015-01-16T13:30:06.428-0600 I CONTROL  [serviceShutdown] mongod.exe    ...\src\mongo\db\db.cpp(669)                      wmain+0x35

2015-01-16T13:30:06.428-0600 I CONTROL  [serviceShutdown] mongod.exe    f:\dd\vctools\crt\crtw32\startup\crt0.c(255)      __tmainCRTStartup+0x144

2015-01-16T13:30:06.428-0600 I CONTROL  [serviceShutdown] KERNEL32.DLL                                                    BaseThreadInitThunk+0x22

2015-01-16T13:30:06.428-0600 I CONTROL  [serviceShutdown] 

2015-01-16T13:30:06.428-0600 I -        [serviceShutdown] 

***aborting after invariant() failure