DK 5.6.0 appimage unable to authenticate to flickr

[jon piesing]

When I try to authenticate to flickr using DK 5.6.0 appimage (digikam-5.6.0-01-x86-64.appimage), I get an error - the same as printed on the console below ...

kipi.plugins: Frob is "72157683051607403-9b759a941cdbf46c-536726"
kipi.plugins: GetFrob finished
kipi.plugins: Authenticate url:  QUrl("https://www.flickr.com/services/auth/?api_key=49d585bafa0758cb5c58ab67198bf632&frob=72157683051607403-9b759a941cdbf46c-536726&perms=write&api_sig=caf7596602d8067dd46c14c97c4ce8ea")
kf5.kio.core: couldn't create slave: "Can not find 'kioslave' executable at '/usr/bin, /usr/bin/libexec, ././/lib64/libexec/kf5'"
kf5.kio.widgets: KRun(0xbaad90) ERROR (stat): 173   "Unable to create io-slave. Can not find 'kioslave' executable at '/usr/bin, /usr/bin/libexec, ././/lib64/libexec/kf5'"

Is this a known problem?

Thanks
Jon

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