Hi @Cybrosys
The RetargetPoseMedAvgMale_PoseAsset should be in the following folder.
SampleMetaHumans/Common/Comman/Mocap
There should be 4 files in that folder, two pose assets and corresponding animation sequences.
Keep in mind this is ONLY in the actual sample project and not in the “Metahumans” folder after importing a metahuman.