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How do I fix a fatal Early EOFing or invalid index-pack output error?

What occurs sometimes when a network problem interrupts a git operation?

We have seen in some cases, that users may experience an error similar to the below:

Cloning into 'repository_name'...
remote: Enumerating objects: 523, done.
remote: Counting objects: 100% (523/523), done.
fatal: early EOFing objects: 69% (317/457)
fatal: fetch-pack: invalid index-pack output

This is generally related to a network issue, indicating the machine’s network path changed mid-transfer (e.g., Wi-Fi roaming, VPN rekey/reconnect, DHCP/DNS refresh, proxy failover). When that happens during a large Git pack download, the stream gets cut and index-pack fails.

We recommend checking with your IT department or colleagues for similar network issues, connecting to a wired network connection, or following up on any internal proxies you may be using to see if there have been problems.  Also, sometimes it is transient, and so waiting an hour or so and retrying may get you past the issue.