What does Windows error code 15113 (ERROR_MRM_UNKNOWN_QUALIFIER) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The resource index references a qualifier that the resource-management system does not recognize.

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ERROR_MRM_INVALID_FILE_TYPE	ERROR_MRM_INVALID_QUALIFIER_VALUE

ERROR_MRM_UNKNOWN_QUALIFIER

ERROR_MRM_UNKNOWN_QUALIFIER indicates an unrecognized resource qualifier. MRT uses qualifiers to select the best resource variant, for example language, scale, contrast, or another supported runtime context.

Inspect the qualifier name exactly as emitted by the build or supplied by the caller and compare it with the profile’s supported qualifier set. A custom-looking label may simply be a typo or a qualifier unsupported by that profile.

What to check

Check the qualifier name in the PRI configuration, resource filename, or resource folder.
Use only qualifier names supported by the target resource-management profile.
Dump the PRI to see the qualifier names that were actually indexed by the build.

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

Microsoft: Manage resources with MRT Core

Microsoft: Resource Management System and PRI files

Microsoft: MakePri.exe command-line options

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