HRESULT 0x8008020E (APPX_E_DELTA_PACKAGE_MISSING

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Description:

A delta package is missing a file required from the package version it updates.

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APPX_E_DELTA_BASELINE_VERSION_MISMATCH	APPX_E_INVALID_DELTA_PACKAGE

APPX_E_DELTA_PACKAGE_MISSING_FILE

APPX_E_DELTA_PACKAGE_MISSING_FILE means that the delta package does not contain a file required for the update from its baseline. A delta package must be internally consistent with the baseline it describes.

How to diagnose it

Recreate the delta from the exact baseline and updated package artifacts used for release.
Check that packaging, publishing, and CDN steps did not omit a file from the delta output.
Avoid mixing files from independently built package versions when assembling an update.

Fallback to a complete package is safer than trying to supplement a released delta manually.

Microsoft: troubleshoot Windows app packages

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