Responder1
Fui ao meu arquivo .pro e encontrei isto:
#specify where the qml/js files are installed to
qml_files.path = /Poker-Puzzle
qml_files.files += $${QML_FILES}
mudei para isso:
#specify where the qml/js files are installed to
qml_files.path = /Poker-Puzzle/QML/components
qml_files.files += $${QML_FILES}