Panic in GetCommitByPrefix

[itaiad200]

lakefs_1    | panic: runtime error: invalid memory address or nil pointer dereference
lakefs_1    | [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x102c354]
lakefs_1    | 
lakefs_1    | goroutine 17473 [running]:
lakefs_1    | github.com/treeverse/lakefs/pkg/kv.(*PrimaryIterator).Close(0x1a2f74e)
lakefs_1    | 	/build/pkg/kv/iterators.go:118 +0x14
lakefs_1    | github.com/treeverse/lakefs/pkg/graveler/ref.(*KVOrderedCommitIterator).Close(0x0)
lakefs_1    | 	/build/pkg/graveler/ref/commit_ordered_iterator.go:123 +0x22
lakefs_1    | github.com/treeverse/lakefs/pkg/graveler/ref.(*KVManager).GetCommitByPrefix.func1()
lakefs_1    | 	/build/pkg/graveler/ref/manager.go:411 +0x236
lakefs_1    | github.com/treeverse/lakefs/pkg/batch.BatchFn.Execute(0x0)
lakefs_1    | 	/build/pkg/batch/executor.go:26 +0x1a
lakefs_1    | github.com/treeverse/lakefs/pkg/batch.(*ConditionalExecutor).BatchFor(0xc000322150, {0x28e3e48, 0xc00dedf580}, {0xc00e5e23f0, 0x6c}, 0x2dc6c0, {0x28ba360, 0xc00e5a1b80})
lakefs_1    | 	/build/pkg/batch/executor.go:63 +0x179
lakefs_1    | github.com/treeverse/lakefs/pkg/graveler/ref.(*KVManager).GetCommitByPrefix(0xc0006de420, {0x28e3e48, 0xc00dedf580}, 0xc00dedba40, {0xc00e445140, 0x40})
lakefs_1    | 	/build/pkg/graveler/ref/manager.go:391 +0x1c3
lakefs_1    | github.com/treeverse/lakefs/pkg/graveler/ref.revResolveAHash({0x28e3e48, 0xc00dedf580}, {0x28e4740, 0xc0006de420}, {0x28b69e0, 0x361b110}, 0xc00e5bda78, {0xc00e445140, 0x40})
lakefs_1    | 	/build/pkg/graveler/ref/resolve_ref.go:130 +0xa5
lakefs_1    | github.com/treeverse/lakefs/pkg/graveler/ref.revResolve({0x28e3e48, 0xc00dedf580}, {0x28e4740, 0xc0006de420}, {0x28b69e0, 0x361b110}, 0x40, {0xc00e445140, 0x40})
lakefs_1    | 	/build/pkg/graveler/ref/resolve_ref.go:31 +0x103
lakefs_1    | github.com/treeverse/lakefs/pkg/graveler/ref.ResolveRawRef({0x28e3e48, 0xc00dedf580}, {0x28e4740, 0xc0006de420}, {0x28b69e0, 0x361b110}, 0x0, {{0xc00e445140, 0x40}, {0x361b110, ...}})