Can't enable the extension

[alanmdf]

[alanmdf]

Error: GSettings key thumbnails-slider-position not found in schema org.gnome.shell.extensions.multi-monitors-add-on

Stack trace:
_checkKey@resource:///org/gnome/gjs/modules/core/overrides/Gio.js:576:23
_init/createCheckedMethod/<@resource:///org/gnome/gjs/modules/core/overrides/Gio.js:528:30
_addSettingsComboBoxSwitch@/home/alanmdf/.local/share/gnome-shell/extensions/multi-monitors-add-on@spin83/prefs.js:251:12
_addComboBoxSwitch@/home/alanmdf/.local/share/gnome-shell/extensions/multi-monitors-add-on@spin83/prefs.js:234:8
_init@/home/alanmdf/.local/share/gnome-shell/extensions/multi-monitors-add-on@spin83/prefs.js:68:14
buildPrefsWidget@/home/alanmdf/.local/share/gnome-shell/extensions/multi-monitors-add-on@spin83/prefs.js:275:18
_init@resource:///org/gnome/Shell/Extensions/js/extensionsService.js:207:40
OpenExtensionPrefsAsync/<@resource:///org/gnome/Shell/Extensions/js/extensionsService.js:122:28
asyncCallback@resource:///org/gnome/gjs/modules/core/overrides/Gio.js:132:13
run@resource:///org/gnome/Shell/Extensions/js/dbusService.js:175:20
main@resource:///org/gnome/Shell/Extensions/js/main.js:19:13
run@resource:///org/gnome/gjs/modules/script/package.js:222:19
start@resource:///org/gnome/gjs/modules/script/package.js:206:5
@/usr/share/gnome-shell/org.gnome.Shell.Extensions:1:17

[alanmdf]

After reboot the system, the extension works normally. Problem solved.