Build number already used

iOS / Xcode · last reviewed 2026-11-10

The error looks like this

ERROR ITMS-4238: "Redundant Binary Upload. You've already uploaded a build with build number '4'"

Why it happens

CURRENT_PROJECT_VERSION (CFBundleVersion) was not incremented.

How to fix it

Increase the build number (agvtool next-version -all, or fastlane increment_build_number).
Archive and upload again.

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