Unexpected error: iter commits in 'xxx/.git' init commit iterator

[ppggff]

Hi, I meet this error recently. It's a commit that view with git as:

❯ git show c06c085
commit c06c085b3c038d4f448ab174acce85f745186ae8 (origin/main, origin/HEAD)
Author: GitLab CI <xxx@xxx.xxx>
Date:   Thu Mar 26 04:09:12 2026 +0800

    Update submodules to latest commits

diff --git a/xxx b/xxx
index b7417a4..aa9b88a 160000
--- a/xxx
+++ b/xxx
@@ -1 +1 @@
-Subproject commit b7417a4e94394b7b01ec5a822afa2eaf1e4e2909
+Subproject commit aa9b88a25a0cdd29d7ede6d61234c61a7e721984
diff --git a/yyy b/yyy
index 261e773..dde8d47 160000
--- a/yyy
+++ b/yyy
@@ -1 +1 @@
-Subproject commit 261e7735e62d36ae37d2c25623fc477380167961
+Subproject commit dde8d474e458370dd79f64c8f6f2aa203e326840

but the 'fork' show error as:

Unexpected error:
iter commits in 'xxx/.git'
init commit iterator
get_gen_and_committer_time dde8d474e458370dd79f64c8f6f2aa203e326840
get commit info for dde8d474e458370dd79f64c8f6f2aa203e326840
find commit dde8d474e458370dd79f64c8f6f2aa203e326840

Please contact Fork support

[DanPristupov]

Did someone forget to push dde8d474e458370dd79f64c8f6f2aa203e326840 in the submodule?

[ppggff]

The submodule has not yet been initialized