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Qobject::connect: invalid null parameter when running Kate application in Linux Mint

I am using Linux Mint Sarah and I am receiving this error whenever I use the command "kate file_name". I already updated my Kate and I believe it is already at its latest version.

QObject::connect: invalid null parameter
QObject::connect: invalid null parameter
QObject::connect: Cannot connect (null)::returnPressed() to KUrlRequester::returnPressed()
QObject::connect: Cannot connect (null)::returnPressed(QString) to KUrlRequester::returnPressed(QString)
Setting the name of  0x10e71d0  to  "org.kde.ActivityManager.ActivityTemplates"
Setting the name of  0x11130a0  to  "org.kde.ActivityManager.RunApplication"
Setting the name of  0x11019c0  to  "org.kde.ActivityManager.Resources.Scoring"
Creating directory:  "/root/.local/share/kactivitymanagerd/resources/"
KActivities: Database connection:  "kactivities_db_resources_139836748884160_readwrite" 
    query_only:          QVariant(qlonglong, 0) 
    journal_mode:        QVariant(QString, "wal") 
    wal_autocheckpoint:  QVariant(qlonglong, 100) 
    synchronous:         QVariant(qlonglong, 1)
Service started, version: 7.0.0

1个回答

    最佳答案
  1. What you get here is a kde's developers mistake and they should fix it. These warnings should not affect you however, just ignore it.

    You can try to fill a bug report at KDE Bugs page to let them now.