Sync gateway crash 1.5.1

I’m getting this error message --> what should i do?

WARNING: Setting to lower sequence number than previous: 923 -> 497 – base.(*DCPReceiver).updateSeq() at dcp_feed.go:277
panic: runtime error: slice bounds out of range

goroutine 66 [running]:
panic(0xb26840, 0xc420010120)
/usr/local/go/1.7.4/go/src/runtime/panic.go:500 +0x1a1
github.com/couchbase/sync_gateway/db.parseXattrStreamData(0xbf06de, 0x5, 0xc42049ab83, 0xf1, 0xf1, 0xbb0600, 0xc4276c3801, 0xc4276c38f0, 0xc421b955e8, 0x4084bb, …)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/sync_gateway/db/document.go:195 +0x684
github.com/couchbase/sync_gateway/db.UnmarshalDocumentSyncDataFromFeed(0xc42049ab83, 0xf1, 0xf1, 0x5, 0xc4276c3800, 0x24, 0x0, 0x0, 0x4336b8, 0xc42001750c, …)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/sync_gateway/db/document.go:141 +0x153
github.com/couchbase/sync_gateway/db.(*changeCache).DocChangedSynchronous(0xc4200c0d20, 0x2, 0x0, 0xc42049ab5f, 0x24, 0x115, 0xc42049ab83, 0xf1, 0xf1, 0x1501655e13370000, …)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/sync_gateway/db/change_cache.go:369 +0x1f1
github.com/couchbase/sync_gateway/db.(*changeCache).DocChanged(0xc4200c0d20, 0x2, 0x0, 0xc42049ab5f, 0x24, 0x115, 0xc42049ab83, 0xf1, 0xf1, 0x1501655e13370000, …)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/sync_gateway/db/change_cache.go:325 +0x61
github.com/couchbase/sync_gateway/db.(ChangeIndex).DocChanged-fm(0x2, 0x0, 0xc42049ab5f, 0x24, 0x115, 0xc42049ab83, 0xf1, 0xf1, 0x1501655e13370000, 0x50000, …)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/sync_gateway/db/database.go:214 +0x4c
github.com/couchbase/sync_gateway/db.(*changeListener).ProcessFeedEvent(0xc4203160b0, 0x2, 0x0, 0xc42049ab5f, 0x24, 0x115, 0xc42049ab83, 0xf1, 0xf1, 0x1501655e13370000, …)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/sync_gateway/db/change_listener.go:114 +0x2a4
github.com/couchbase/sync_gateway/db.(*changeListener).ProcessFeedEvent-fm(0x2, 0x0, 0xc42049ab5f, 0x24, 0x115, 0xc42049ab83, 0xf1, 0xf1, 0x1501655e13370000, 0x50000, …)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/sync_gateway/db/change_listener.go:88 +0x4a
github.com/couchbase/sync_gateway/base.(*DCPReceiver).DataUpdate(0xc4202c0200, 0x1bc, 0xc42049ab5f, 0x24, 0x115, 0x1f1, 0xc4202c0b80, 0x0, 0x0)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/sync_gateway/base/dcp_feed.go:158 +0x198
github.com/couchbase/go-couchbase/cbdatasource.(*bucketDataSource).worker.func5(0xc4204b0660, 0xc4201d0500, 0xc420377760, 0x12, 0xc420449080, 0x3a, 0xc4204d09f0, 0xc420011e68, 0xc4204d0ae0, 0xc4204b05a0, …)
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/go-couchbase/cbdatasource/cbdatasource.go:1168 +0x8bd
created by github.com/couchbase/go-couchbase/cbdatasource.(*bucketDataSource).worker
/home/couchbase/jenkins/workspace/sgw-unix-build@2/1.5.1/community/godeps/src/github.com/couchbase/go-couchbase/cbdatasource/cbdatasource.go:1220 +0x564

My suggestion would to be to file an issue on the Sync Gateway github repo.