Bug 426382

SUMMARY:
Whenever I move a frame on the timeline and then click on the next available slot for the frames, I get a safe assert msg that goes as follows:

Krita has encountered an internal error:

SAFE ASSERT (krita): "animInterface->fullClipRange().contains(frame)" in file /root/parts/krita/src/libs/ui/KisPart.cpp, line 483

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STEPS TO REPRODUCE
1. Create a new project in the animation view
2. After making a frame, move that frame forwards/backwards on the timeline 
3. Click on the next available frame, or try to make a keyframe on it 

OBSERVED RESULT
Safe assert

EXPECTED RESULT
Not a safe assert? I just wanted to move the frames

ADDITIONAL INFORMATION

Terminal Logs:
INFO: requested urls: file: file:///home/lastc file:///home/lastc/Pictures file:///home/lastc/snap/krita/current/.shortcut-links/removable-media file:///home/lastc/snap/krita/current/.shortcut-links/removable-devices file:///mnt
INFO: Old keys: file: file:///home/lastc/snap/krita/55 file:///home/lastc file:///home/lastc/Pictures file:///home/lastc/snap/krita/current/.shortcut-links/removable-media file:///home/lastc/snap/krita/current/.shortcut-links/removable-devices file:///mnt
INFO: success!
Qt: Session management error: None of the authentication protocols specified are supported
/usr/share/libdrm/amdgpu.ids: No such file or directory
Qt: Session management error: None of the authentication protocols specified are supported
/usr/share/libdrm/amdgpu.ids: No such file or directory
Qt: Session management error: None of the authentication protocols specified are supported
/usr/share/libdrm/amdgpu.ids: No such file or directory
/usr/share/libdrm/amdgpu.ids: No such file or directory
Qt: Session management error: None of the authentication protocols specified are supported
propsReply "An AppArmor policy prevents this sender from sending this message to this recipient; type=\"method_call\", sender=\":1.201\" (uid=1000 pid=22539 comm=\"/snap/krita/60/usr/bin/krita \" label=\"snap.krita.krita (enforce)\") interface=\"org.freedesktop.DBus.Properties\" member=\"GetAll\" error name=\"(unset)\" requested_reply=\"0\" destination=\"org.freedesktop.NetworkManager\" (uid=0 pid=1586 comm=\"/usr/sbin/NetworkManager --no-daemon \" label=\"unconfined\")"
nmReply "An AppArmor policy prevents this sender from sending this message to this recipient; type=\"method_call\", sender=\":1.201\" (uid=1000 pid=22539 comm=\"/snap/krita/60/usr/bin/krita \" label=\"snap.krita.krita (enforce)\") interface=\"org.freedesktop.NetworkManager\" member=\"GetDevices\" error name=\"(unset)\" requested_reply=\"0\" destination=\"org.freedesktop.NetworkManager\" (uid=0 pid=1586 comm=\"/usr/sbin/NetworkManager --no-daemon \" label=\"unconfined\")"
"Object path cannot be empty"
QObject::startTimer: Timers cannot have negative intervals
QLayout: Attempting to add QLayout "" to QWidget "", which already has a layout