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fatal error: QMainWindow: no file or directory

A Former User last edited by

Hi, I can't build my project with the Error ' :
fatal error: QMainWindow: no file or directory #include <QMainWindow>

Earlier in the morning I just installed QT 5.9.1 and I am working on Ubuntu 17.04
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sierdzio Moderators last edited by

Locked. Duplicate of https://forum.qt.io/topic/83713/fatal-error-qmainwindow-no-file-or-directory
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