Designer(Components) fails on CMake test

CMake Error at /home/johanna/RTA/qt5/5.15.0/gcc_64/lib/cmake/Qt5Designer/Qt5DesignerConfig.cmake:15 (message):
  The imported target "Qt5::Designer" references the file     "/home/johanna/RTA/qt5/5.15.0/gcc_64/plugins/designer/libqwebengineview.so"  but this file does not exist.  Possible reasons include:  * The file was deleted, renamed, or moved to another location.  * An install or uninstall procedure did not complete successfully.  * The installation package was faulty and contained     "/home/johanna/RTA/qt5/5.15.0/gcc_64/lib/cmake/Qt5Designer/Qt5Designer_QWebEngineViewPlugin.cmake"  but not all the files it references.Call Stack (most recent call first):
  /home/johanna/RTA/qt5/5.15.0/gcc_64/lib/cmake/Qt5Designer/Qt5DesignerConfig.cmake:223 (_qt5_Designer_check_file_exists)
  /home/johanna/RTA/qt5/5.15.0/gcc_64/lib/cmake/Qt5Designer/Qt5Designer_QWebEngineViewPlugin.cmake:5 (_populate_Designer_plugin_properties)
  /home/johanna/RTA/qt5/5.15.0/gcc_64/lib/cmake/Qt5Designer/Qt5DesignerConfig.cmake:232 (include)
  /home/johanna/RTA/qt5/5.15.0/gcc_64/lib/cmake/Qt5/Qt5Config.cmake:28 (find_package)
  CMakeLists.txt:14 (find_package)
-- Configuring incomplete, errors occurred!