[dgraph v25] failed when calling List.rollup: while encoding: cannot iterate through the list

Describe the bug

seeing error logs failed when calling List.rollup: while encoding: cannot iterate through the list in alpha pods. It seems to happen on nodes with large-sized data. we added @lang directive for multi-languages in the predicate.

logs

W0724 09:43:14.902606       1 mvcc.go:181] Error rolling up key [failed when calling List.rollup: while encoding: cannot iterate through the list: cannot initialize iterator when calling List.iterate minTs: 58256931, plist: splits:1  splits:8523883114575535643, mutationMap: Committed List: map[58550095:postings:{uid:17043778602460988961  value: {large size html data}

To Reproduce

Expected behavior

No error logs

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Environment

Version : v25.3.4 deployed in k8s

Additional context

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