Help working process "system-coredump"

Hi
After copyed some file in the home directory
working process “system-coredump”, busy my hard-disk and usage my space disk
How to fix?
My partition openSUSE is lowing because working system-coredump

Thanks

and working process dbus-daemon,too

output
sudo journalctl -b


Mar 07 16:15:09 linux-n4xz systemd-coredump[5004]: Process 4997 (kactivitymanage) of user 1000 dumped core.
Mar 07 16:15:32 linux-n4xz org.kde.ActivityManager[2065]: Service started, version:
Mar 07 16:15:09 linux-n4xz systemd-coredump[5022]: Removed old coredump core.kactivitymanage.1000.15f7df8c801f415fa995c9bd19b3c66
Mar 07 16:15:33 linux-n4xz org.kde.ActivityManager[2065]: Config timer connecting...
Mar 07 16:15:33 linux-n4xz org.kde.ActivityManager[2065]: Setting the name of  0x55863ebe1350  to  "org.kde.ActivityManager.Resou
Mar 07 16:15:33 linux-n4xz org.kde.ActivityManager[2065]: Creating directory:  "/home/think/.local/share/kactivitymanagerd/
Mar 07 16:15:33 linux-n4xz org.kde.ActivityManager[2065]: KActivities: Database can not be opened in WAL mode. Check the SQLite v
Mar 07 16:15:32 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Activating service name='org.kde.ActivityManager' reque
Mar 07 16:15:09 linux-n4xz systemd[1]: Started Process Core Dump (PID 5039/UID 0).
Mar 07 16:15:33 linux-n4xz org.kde.ActivityManager[2065]: Cleaning up...
Mar 07 16:15:32 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Successfully activated service 'org.kde.ActivityManager
Mar 07 16:15:09 linux-n4xz systemd-coredump[5022]: Process 5015 (kactivitymanage) of user 1000 dumped core.
Mar 07 16:15:33 linux-n4xz org.kde.ActivityManager[2065]: Service started, version:
Mar 07 16:15:09 linux-n4xz systemd-coredump[5040]: Removed old coredump core.kactivitymanage.1000.15f7df8c801f415fa995c9bd19b3c66
Mar 07 16:15:33 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Activating service name='org.kde.ActivityManager' reque
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Config timer connecting...
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Setting the name of  0x5615967de480  to  "org.kde.ActivityManager.Resou
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Creating directory:  "/home/think/.local/share/kactivitymanagerd/
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: KActivities: Database can not be opened in WAL mode. Check the SQLite v
Mar 07 16:15:10 linux-n4xz systemd[1]: Started Process Core Dump (PID 5057/UID 0).
Mar 07 16:15:33 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Successfully activated service 'org.kde.ActivityManager
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Cleaning up...
Mar 07 16:15:10 linux-n4xz systemd-coredump[5040]: Process 5033 (kactivitymanage) of user 1000 dumped core.
Mar 07 16:15:33 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Activating service name='org.kde.ActivityManager' reque
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Service started, version:
Mar 07 16:15:10 linux-n4xz systemd[1]: Started Process Core Dump (PID 5073/UID 0).
Mar 07 16:15:33 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Successfully activated service 'org.kde.ActivityManager
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Config timer connecting...
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Setting the name of  0x55ac607fefe0  to  "org.kde.ActivityManager.Resou
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Creating directory:  "/home/think/.local/share/kactivitymanagerd/
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: KActivities: Database can not be opened in WAL mode. Check the SQLite v
Mar 07 16:15:10 linux-n4xz systemd-coredump[5058]: Removed old coredump core.kactivitymanage.1000.15f7df8c801f415fa995c9bd19b3c66
Mar 07 16:15:34 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Activating service name='org.kde.ActivityManager' reque
Mar 07 16:15:34 linux-n4xz org.kde.ActivityManager[2065]: Cleaning up...
Mar 07 16:15:10 linux-n4xz systemd-coredump[5058]: Process 5051 (kactivitymanage) of user 1000 dumped core.
Mar 07 16:15:34 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Successfully activated service 'org.kde.ActivityManager
Mar 07 16:15:35 linux-n4xz org.kde.ActivityManager[2065]: Service started, version:
Mar 07 16:15:11 linux-n4xz systemd-coredump[5074]: Removed old coredump core.kactivitymanage.1000.15f7df8c801f415fa995c9bd19b3c66
Mar 07 16:15:34 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Activating service name='org.kde.ActivityManager' reque
Mar 07 16:15:35 linux-n4xz org.kde.ActivityManager[2065]: Config timer connecting...
Mar 07 16:15:35 linux-n4xz org.kde.ActivityManager[2065]: Setting the name of  0x5614bed99bc0  to  "org.kde.ActivityManager.Resou
Mar 07 16:15:35 linux-n4xz org.kde.ActivityManager[2065]: Creating directory:  "/home/think/.local/share/kactivitymanagerd/
Mar 07 16:15:35 linux-n4xz org.kde.ActivityManager[2065]: KActivities: Database can not be opened in WAL mode. Check the SQLite v
Mar 07 16:15:11 linux-n4xz systemd[1]: Started Process Core Dump (PID 5093/UID 0).
Mar 07 16:15:35 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Successfully activated service 'org.kde.ActivityManager
Mar 07 16:15:35 linux-n4xz org.kde.ActivityManager[2065]: Cleaning up...
Mar 07 16:15:11 linux-n4xz systemd-coredump[5074]: Process 5064 (kactivitymanage) of user 1000 dumped core.
Mar 07 16:15:35 linux-n4xz org.kde.ActivityManager[2065]: Service started, version:
Mar 07 16:15:12 linux-n4xz systemd-coredump[5094]: Removed old coredump core.kactivitymanage.1000.15f7df8c801f415fa995c9bd19b3c66
Mar 07 16:15:35 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Activating service name='org.kde.ActivityManager' reque
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Config timer connecting...
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Setting the name of  0x55becf58e3d0  to  "org.kde.ActivityManager.Resou
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Creating directory:  "/home/think/.local/share/kactivitymanagerd/
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: KActivities: Database can not be opened in WAL mode. Check the SQLite v
Mar 07 16:15:12 linux-n4xz systemd[1]: Started Process Core Dump (PID 5111/UID 0).
Mar 07 16:15:35 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Successfully activated service 'org.kde.ActivityManager
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Cleaning up...
Mar 07 16:15:13 linux-n4xz systemd[1]: Started Process Core Dump (PID 5124/UID 0).
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Service started, version:
Mar 07 16:15:13 linux-n4xz systemd-coredump[5094]: Process 5085 (kactivitymanage) of user 1000 dumped core.
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Config timer connecting...
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Setting the name of  0x55cae89a6110  to  "org.kde.ActivityManager.Resou
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Creating directory:  "/home/think/.local/share/kactivitymanagerd/
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: KActivities: Database can not be opened in WAL mode. Check the SQLite v
Mar 07 16:15:13 linux-n4xz systemd-coredump[5112]: Removed old coredump core.kactivitymanage.1000.15f7df8c801f415fa995c9bd19b3c66
Mar 07 16:15:36 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Activating service name='org.kde.ActivityManager' reque
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Cleaning up...
Mar 07 16:15:13 linux-n4xz systemd-coredump[5112]: Process 5103 (kactivitymanage) of user 1000 dumped core.
Mar 07 16:15:36 linux-n4xz org.kde.ActivityManager[2065]: Service started, version:
Mar 07 16:15:36 linux-n4xz dbus-daemon[2065]: [session uid=1000 pid=2065] Successfully activated service 'org.kde.ActivityManager

How to fix?

Well, kactivitymanagerd is crashing because it cannot open its database:


Mar 07 16:15:33 linux-n4xz org.kde.ActivityManager[2065]: Creating directory:  "/home/think/.local/share/kactivitymanagerd/
Mar 07 16:15:33 linux-n4xz org.kde.ActivityManager[2065]: KActivities: Database can not be opened in WAL mode. Check the SQLite v

Try to delete (or rename) the folder /home/think/.local/share/kactivitymanagerd/ and see if it helps.

Also check that libQt5Sql5-sqlite is installed, but that’s actually required via package dependencies.

Thanks,fixed
This caused part of the hard disk space to be occupied (Occupied space:4gig)
Do you know, where these files were made?

You mean the core dumps that “systemd-coredump” creates?
These are in /var/lib/systemd/coredump/.
You can delete all files in there if you want.

Thank you ,now 5GB of free space