Waybar closes when you hover over a group and scroll with the mouse wheel.

[dmytroKwarsk]

➜ ~ waybar
[2025-12-17 12:59:09.219] [info] Using configuration file /home/kwarskk/.config/waybar/config.jsonc
[2025-12-17 12:59:09.221] [info] Using CSS file /home/kwarskk/.config/waybar/style.css
[2025-12-17 12:59:09.224] [info] Hyprland IPC starting
[2025-12-17 12:59:09.224] [info] Loading persistent workspaces from Hyprland workspace rules
[2025-12-17 12:59:09.370] [info] Bar configured (width: 1920, height: 37) for output: HDMI-A-1

** (waybar:5813): ERROR **: 12:59:11.666:
unhandled exception (type std::exception) in signal handler:
what: in Json::Value::find(begin, end): requires objectValue or nullValue

[1] 5813 trace trap waybar

[hshl2]

Just accidentally ran into the same thing. For me, it only happens on my temperature modules

edit - just realized this is my only group now, so it's not specifically related to hardware sensors

relevant config

                "group/hardware": {
                        "orientation": "inherit",
                        "modules": [
                                "temperature",
                                "temperature#GPU"
                        ] 
                },
                "temperature": {
                        "hwmon-path-abs": "/sys/devices/pci0000:00/0000:00:18.3/hwmon",
                        "input-filename": "temp1_input",
                        "critical-threshold": 80,
                        "format": "{temperatureC}°C {icon}",
                        "interval": 2,
                        "format-icons": [
                                "",
                                "",
                                ""
                        ]
                },
                "temperature#GPU": {
                        "hwmon-path-abs": "/sys/devices/pci0000:00/0000:00:01.1/0000:01:00.0/0000:02:00.0/0000:03:00.0/hwmon",
                        "input-filename": "temp2_input",
                        "critical-threshold": 80,
                        "format": "{temperatureC}°C {icon}",
                        "interval": 0.5,
                        "format-icons": [
                                "",
                                "",
                                ""
                        ]
                },

stack trace to add onto the same error as above

                                                Stack trace of thread 27240:
                                                #0  0x00007fda14378bb3 n/a (libglycin-2.so.0 + 0x178bb3)
                                                #1  0x00007fda1436fb62 n/a (libglycin-2.so.0 + 0x16fb62)
                                                #2  0x00007fda1436de89 n/a (libglycin-2.so.0 + 0x16de89)
                                                #3  0x00007fda1436dd2f n/a (libglycin-2.so.0 + 0x16dd2f)
                                                #4  0x00007fda144c0161 n/a (libglycin-2.so.0 + 0x2c0161)
                                                #5  0x00007fda1549698b n/a (libc.so.6 + 0x9698b)
                                                #6  0x00007fda1551a9cc n/a (libc.so.6 + 0x11a9cc)
                                                
                                                Stack trace of thread 27225:
                                                #0  0x00007fda1549318e n/a (libc.so.6 + 0x9318e)
                                                #1  0x00007fda154937dc n/a (libc.so.6 + 0x937dc)
                                                #2  0x00007fda154962d2 pthread_cond_clockwait (libc.so.6 + 0x962d2)
                                                #3  0x0000558796d9cc1e n/a (/usr/bin/waybar + 0x80c1e)
                                                #4  0x0000558796dadf16 n/a (/usr/bin/waybar + 0x91f16)
                                                #5  0x00007fda158e55a4 execute_native_thread_routine (libstdc++.so.6 + 0xe55a4)
                                                #6  0x00007fda1549698b n/a (libc.so.6 + 0x9698b)
                                                #7  0x00007fda1551a9cc n/a (libc.so.6 + 0x11a9cc)
                                                
                                                Stack trace of thread 27238:
                                                #0  0x00007fda1549318e n/a (libc.so.6 + 0x9318e)
                                                #1  0x00007fda154937dc n/a (libc.so.6 + 0x937dc)
                                                #2  0x00007fda154962d2 pthread_cond_clockwait (libc.so.6 + 0x962d2)
                                                #3  0x0000558796d9cc1e n/a (/usr/bin/waybar + 0x80c1e)
                                                #4  0x0000558796dadf16 n/a (/usr/bin/waybar + 0x91f16)
                                                #5  0x00007fda158e55a4 execute_native_thread_routine (libstdc++.so.6 + 0xe55a4)
                                                #6  0x00007fda1549698b n/a (libc.so.6 + 0x9698b)
                                                #7  0x00007fda1551a9cc n/a (libc.so.6 + 0x11a9cc)
                                                
                                                Stack trace of thread 27247:
                                                #0  0x00007fda1549f002 n/a (libc.so.6 + 0x9f002)
                                                #1  0x00007fda1549316c n/a (libc.so.6 + 0x9316c)
                                                #2  0x00007fda154931b4 n/a (libc.so.6 + 0x931b4)
                                                #3  0x00007fda15503d8f wait4 (libc.so.6 + 0x103d8f)
                                                #4  0x00007fda144c615b n/a (libglycin-2.so.0 + 0x2c615b)
                                                #5  0x00007fda1426ebd1 n/a (libglycin-2.so.0 + 0x6ebd1)
                                                #6  0x00007fda14278bd4 n/a (libglycin-2.so.0 + 0x78bd4)
                                                #7  0x00007fda144c0161 n/a (libglycin-2.so.0 + 0x2c0161)
                                                #8  0x00007fda1549698b n/a (libc.so.6 + 0x9698b)
                                                #9  0x00007fda1551a9cc n/a (libc.so.6 + 0x11a9cc)
                                                
                                                Stack trace of thread 27239:
                                                #0  0x00007fda1549318e n/a (libc.so.6 + 0x9318e)
                                                #1  0x00007fda154937dc n/a (libc.so.6 + 0x937dc)
                                                #2  0x00007fda154962d2 pthread_cond_clockwait (libc.so.6 + 0x962d2)
                                                #3  0x0000558796d9cc1e n/a (/usr/bin/waybar + 0x80c1e)
                                                #4  0x0000558796dadf16 n/a (/usr/bin/waybar + 0x91f16)
                                                #5  0x00007fda158e55a4 execute_native_thread_routine (libstdc++.so.6 + 0xe55a4)
                                                #6  0x00007fda1549698b n/a (libc.so.6 + 0x9698b)
                                                #7  0x00007fda1551a9cc n/a (libc.so.6 + 0x11a9cc)
                                                
                                                Stack trace of thread 27233:
                                                #0  0x00007fda1549f002 n/a (libc.so.6 + 0x9f002)
                                                #1  0x00007fda1549316c n/a (libc.so.6 + 0x9316c)
                                                #2  0x00007fda154931b4 n/a (libc.so.6 + 0x931b4)
                                                #3  0x00007fda1551acb5 epoll_wait (libc.so.6 + 0x11acb5)
                                                #4  0x00007fda133afc2a n/a (libspa-support.so + 0x19c2a)
                                                #5  0x00007fda1339cc7f n/a (libspa-support.so + 0x6c7f)
                                                #6  0x00007fda15f42014 n/a (libpipewire-0.3.so.0 + 0x83014)
                                                #7  0x00007fda1549698b n/a (libc.so.6 + 0x9698b)
                                                #8  0x00007fda1551a9cc n/a (libc.so.6 + 0x11a9cc)
                                                ELF object binary architecture: AMD x86-64
Dec 17 05:21:14 europa systemd[1]: Started Process Core Dump (PID 27342/UID 0).
Dec 17 05:21:14 europa systemd-coredump[27342]: Process 27189 (waybar) of user 1000 terminated abnormally with signal 5/TRAP, processing...
Dec 17 05:21:14 europa kernel: traps: waybar[27189] trap int3 ip:7fda16050bcc sp:7ffd4197a600 error:0 in libglib-2.0.so.0.8600.3[64bcc,7fda1600a0
00+a7000]