Error on Manjaro-Linux (KDE: version `Qt_5.14' not found

If I start /opt/activitywatch/aw-qt it output this:

/opt/activitywatch/aw-qt
2020-01-17 18:01:15 [INFO ]: Starting module aw-server  (aw_qt.manager:49)
2020-01-17 18:01:15 [INFO ]: Starting module aw-watcher-afk  (aw_qt.manager:49)
2020-01-17 18:01:15 [INFO ]: Starting module aw-watcher-window  (aw_qt.manager:49)
2020-01-17 18:01:15 [INFO ]: Creating trayicon...  (aw_qt.trayicon:150)
qt.core.logging: Ignoring malformed logging rule: '’*=false’'
2020-01-17 18:01:15 [INFO ]: aw-watcher-window started  (aw_watcher_window.main:42)
2020-01-17 18:01:15 [INFO ]: aw-watcher-afk started  (aw_watcher_afk.afk:53)
WARNING:root:Could not import pymongo, not available as a datastore backend
2020-01-17 18:01:16 [INFO ]: Using storage method: peewee  (aw_server.main:26)
2020-01-17 18:01:16 [INFO ]: Starting up...  (aw_server.main:31)
2020-01-17 18:01:16 [INFO ]: Using database file: /home/suther/.local/share/activitywatch/aw-server/peewee-sqlite.v2.db  (aw_datastore.storages.peewee:90)
 * Serving Flask app "aw-server" (lazy loading)
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug mode: off
2020-01-17 18:01:16 [INFO ]:  * Running on http://localhost:5600/ (Press CTRL+C to quit)  (werkzeug:122)
2020-01-17 18:01:16 [INFO ]: Connection to aw-server established by aw-watcher-window  (aw_client.client:348)
2020-01-17 18:01:16 [INFO ]: Connection to aw-server established by aw-watcher-afk  (aw_client.client:348)

Then in KDE-Tray, I see the Icon of the Application. If I click on it and Choose “Dashboard”, the CLI show this error:

Opening dashboard
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by kde-open5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5KIOWidgets.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5KIOCore.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5I18n.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5CoreAddons.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5JobWidgets.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5Service.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5Completion.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5IconThemes.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5ConfigWidgets.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5WindowSystem.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5WidgetsAddons.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5ConfigGui.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5ConfigCore.so.5)
kde-open5: /opt/activitywatch/libstdc++.so.6: version `CXXABI_1.3.9' not found (required by /usr/lib/libQt5Xml.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libQt5Xml.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5Crash.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5DBusAddons.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5AuthCore.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libQt5X11Extras.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5Archive.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5ItemViews.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5Codecs.so.5)
kde-open5: /opt/activitywatch/libQt5Core.so.5: version `Qt_5.14' not found (required by /usr/lib/libKF5GuiAddons.so.5)
^CShutdown initiated, stopping all services...
2020-01-17 18:01:25 [INFO ]: Stopped module aw-server  (aw_qt.manager:97)
2020-01-17 18:01:25 [INFO ]: Stopped module aw-watcher-afk  (aw_qt.manager:97)
2020-01-17 18:01:25 [INFO ]: Stopped module aw-watcher-window  (aw_qt.manager:97)

But qt5.14 is installed

How to fix this?