What does Windows error code 15142 (ERROR_MRM_UNSUPPORTED_FILE_TYPE_FOR_LOAD_UNLOAD_PRI_FILE) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The file cannot be used by the load or unload PRI operation.

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ERROR_MRM_UNSUPPORTED_FILE_TYPE_FOR_MERGE	ERROR_MRM_NO_CURRENT_VIEW_ON_THREAD

ERROR_MRM_UNSUPPORTED_FILE_TYPE_FOR_LOAD_UNLOAD_PRI_FILE

ERROR_MRM_UNSUPPORTED_FILE_TYPE_FOR_LOAD_UNLOAD_PRI_FILE means a load or unload PRI operation was requested for a file type that is not supported in that context.

Verify that the path refers to the PRI file type accepted by the load/unload API and not to a source resource, package, or merge input. Choose the API that matches the artifact’s actual role.

What to check

Verify the exact file supplied to the API and ensure it is a compatible PRI input.
Do not pass resource-package content where the operation expects a loadable PRI index.
Use a PRI dump to confirm the file is a valid index before changing application code.

makepri dump /if resources.pri /of resources.pri.xml

Microsoft: Resource Management System and PRI files

Microsoft: MakePri.exe command-line options

Microsoft: MakePri.exe configuration file

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