ERROR_PRI_MERGE_MISSING_SCHEMA 0x80073B2D

Error code 15149 · HRESULT 0x80073B2D

WINDOWS

The primary PRI files to be merged does not contain a schema.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_PRI_MERGE_MISSING_SCHEMA is a Windows error code (system error 15149, returned as HRESULT 0x80073B2D) reported by Windows. Its official message is: “The primary PRI files to be merged does not contain a schema.”

How to fix ERROR_PRI_MERGE_MISSING_SCHEMA

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_PRI_MERGE_LOAD_FILE_FAILEDERROR_PRI_MERGE_VERSION_MISMATCHERROR_PRI_MERGE_ADD_FILE_FAILEDERROR_PRI_MERGE_WRITE_FILE_FAILEDERROR_MRM_GENERATION_COUNT_MISMATCHERROR_MRM_DIRECT_REF_TO_NON_DEFAULT_RESOURCEERROR_OPERATION_NOT_ALLOWED_FROM_SYSTEM_COMPONENT

Source: Microsoft WinError.h

Last updated: